Megan Fox and Machine Gun Kelly met while filming "Midnight in the Switchgrass" in March 2020.
Production on the film was halted due to the pandemic in mid-March, but the costars were seen spending time together in Los Angeles soon thereafter.
The "Jennifer's Body" actress was even featured in Kelly's steamy music video for his song "Bloody Valentine" in May 2020.
They've since confirmed their relationship and even made their red-carpet debut at the 2020 American Music Awards.
Keep reading for a timeline of the musician and the actress' whirlwind romance.
Megan Fox and Machine Gun Kelly fell fast and hard for each other on the set of "Midnight in the Switchgrass" in March 2020.
Though the thriller was put on hold due to the pandemic, the costars began spending time together in Los Angeles.
Fox's outings with the musician, whose real name is Colson Baker, paired with confirmation that she and her husband of 10 years, Brian Austin Green, had separated led fans to wonder if she was dating the "Bad Things" singer.
And when Kelly dropped the "Bloody Valentine" music video, in which Fox plays a dominatrix, people speculated that their on-screen romance carried over to real life.
They've since confirmed their relationship and even made their red-carpet debut as a couple at the 2020 American Music Awards.
Keep reading to see a timeline of their relationship.
March 2020: Kelly and Fox met while filming "Midnight in the Switchgrass" in Puerto Rico.
The actors first met on the set of "Midnight in the Switchgrass," a serial killer thriller directed and produced by Randall Emmett. Fox was cast first in February, and Kelly joined shortly after in early March.
Once they were in Puerto Rico, they immediately began spending time with each other. Emmett shared a photo of the duo after they filmed a fight scene on Instagram along with two seats with Kelly and Fox's names next to each other just three days into shooting.
The project was postponed due to COVID-19 one week after production began, and the cast and crew returned home.
March 11, 2020: Kelly shared a photo of his and Fox's chairs next to each other on set.
The costars appeared to be spending time together on set, as Kelly shared an Instagram photo of their chairs positioned next to one another.
May 15, 2020: They grabbed takeout food together in California amid speculation that Fox was isolating apart from Green.
After the "Midnight in the Switchgrass" cast returned from Puerto Rico, the costars were seen picking up food together in Calabasas in photos published by the Daily Mail.
Fox sat in the passenger seat of Kelly's Aston Martin in the photos. According to the outlet, they drove back to Fox's gated home after picking up their meal.
Nearly a month before Kelly and Fox's outing, reports surfaced that the "Jennifer's Body" actress was isolating separately from her husband of 10 years, Brian Austin Green.
The couple was spotted in a parking lot swapping their three children — Noah, 7, Bodhi, 6, and Journey, 3 — and Green wasn't wearing a wedding ring, leading people to wonder if they'd broken up.
May 16, 2020: Green posted a cryptic message on Fox's birthday.
On the actress' 34th birthday, Green shared an Instagram photo of a monarch butterfly perched on a purple flower.
"Eventually butterflies get bored sitting on a flower for too long. They start feeling smothered. It's a great big world and they want to experience it," he wrote.
Though the "Beverly Hills, 90210" actor didn't mention Fox by name, the fact that he wrote the message on her birthday amid reports that she'd moved on with Kelly led fans to believe the "smothered" butterfly was a metaphor for his wife.
May 18, 2020: A source told E! News that Fox and Kelly were "hooking up."
"Megan has been working on a movie with Machine Gun Kelly and gotten close to him. They are hooking up and have been for a little while," a source told E! News.
The source added that Fox and Green had separated and are "taking time apart."
"She has something going on with Machine Gun Kelly that she is excited about," the source said. "The movie will be starting up again soon and they are happy to get back to work and continue being together."
May 18, 2020: Green released a podcast confirming that he and Fox had been separated since the end of 2019.
The actor confirmed that he and Fox had been separated since the end of 2019 during an episode of his podcast "...With Brian Austin Green."
"I will always love her, and I know she'll always love me and I know as far as a family what we have built is really cool and it's really special," he said, explaining that they still plan on taking trips as a family and celebrating holidays together.
Green continued, "It sucks when life changes and something that you're used to, that you've been doing for 15 years, you try and not get rid of but you change. There's the unknown aspect and that's really scary. There's that pit in my stomach. I really don't want Megan and I to be at odds. At the end of it all, she's been my best friend for 15 years and I don't want to lose that."
The actor also took an opportunity to address the rumors surrounding Fox and Kelly, telling listeners that he's never personally met the musician.
"Megan and I talked about him and they're friends at this point, and from what she's expressed, he's a really just nice, genuine guy. I trust her judgment. She's always had really good judgment," Green said.
He continued, "I don't want people to think that her or he are villains or I was a victim in any way with any of this — because I wasn't. This isn't something new for us. This is something new for people to experience and hear about in the press, but it's not new for us."
May 18, 2020: A source told People that Fox only sees Kelly when her kids are with Green.
"They have been spending time together at Megan's house in the past few weeks," the source told People. "They seem to have fun and look happy together. Megan only sees him when the kids are with Brian."
The source didn't confirm whether or not Fox had met Kelly's daughter Casie Colson Baker, who he shares with his ex Emma Cannon.
May 20, 2020: Fox was all over Kelly in his music video for "Bloody Valentine."
To many fans' surprise, Fox was front and center of Kelly's music video for "Bloody Valentine."
In the video, Fox plays a dominatrix that ties Kelly up, feeds him donuts, and electrocutes him in a bathtub.
From rolling around in bed together to nearly kissing several times, the video fueled existing romance rumors.
The "Transformers" actress also lip-synced Kelly's lyrics, such as "I'm calling you girlfriend, what the f---," and, "I'd give everything up tonight if I could just have you be mine."
June 15, 2020: They were spotted kissing and holding hands while leaving a bar in Los Angeles.
The couple held hands and kissed on their way out of Furley's Bar in Los Angeles, as seen in photos published by the Daily Mail.
June 15, 2020: Kelly confirmed that he was dating Fox.
The "Bad Things" singer used his own "Bloody Valentine" lyrics to confirm his relationship with the actress.
"'i'm calling you girlfriend, what the f---' life imitated art on that one," he tweeted.
June 16, 2020: A source told E! News that it's been "hard" for Green to see Fox with someone else.
Though Green confirmed that he and Fox were separated, a source told E! News that the actor "isn't filing for divorce yet."
"He wants to give Megan space and is hopeful they will find their way back to one another," the source said. "It's been hard to see her get back out in the dating world but he is trying to fill his time with his kids and friends."
June 17, 2020: A source said that Fox and Kelly are "serious" and have a "strong connection."
"Megan and MGK have gotten more serious and are officially dating and referring to one another as boyfriend and girlfriend," a source told Us Weekly. "They're enjoying spending more and more time together and have a strong connection."
The next day, a source told E! News that Fox's relationship with Kelly is "new and exciting."
"She has only been with Brian for many years and this is very different," they said. "She's into it."
June 17, 2020: Kelly said that he was "in love" in his Instagram story.
The musician appeared to be enjoying a romantic picnic with roses and takeout sushi in Los Angeles in his Instagram story.
He wrote, "In love."
A woman's leg, likely Fox's, was visible next to him in the video.
June 23, 2020: They got matching manicures.
The "Home" singer showed off his and Fox's matching nail art on his Instagram story.
The design seemed to be inspired by his song "Bloody Valentine" and included a heart-shaped lock, a key, and a bloody knife.
June 25, 2020: Kelly and Fox had a date night at Nobu in Malibu.
The couple was seen walking hand-in-hand during their night out.
June 27, 2020: Fox and Kelly were seen departing together on a flight from Los Angeles International Airport.
Neither Fox nor Kelly have confirmed exactly where they were headed, but the couple showed plenty of PDA while making their way through the airport security line in photos published by the Daily Mail.
July 15, 2020: Once again, they were spotted checking in for a flight together at LAX.
The pair didn't confirm where they were headed but were seen smiling at each other at the airport.
July 13, 2020: Kelly said that Fox has the "most beautiful feet that exist."
"I said 'Sail' was my favorite music video, but for other more personal reasons 'Bloody Valentine' might now be my favorite video," he said during an interview with Teen Vogue.
Kelly has previously hinted at a foot fetish, so Fox wasn't surprised when he wanted to feature her feet in the video.
"It's no secret I think feet are beautiful, and I think Megan has the most beautiful feet that exist," he said.
Kelly continued, "I was like 'Megan, you already know what I'm about to ask you.' She was like, 'Yeah, I literally got a pedicure just because I knew you were going to ask me that.'"
The singer also explained that Fox helped him choose the house where they shot the "Bloody Valentine" video and wore some of his favorite clothes while they filmed.
July 22, 2020: They gushed about their immediate connection during their first joint interview.
The couple sat down for their first interview together on an episode of "Give Them Lala ... With Randall," in which Emmett, the director of "Midnight in the Switchgrass," asked about their early interactions.
Fox recalled learning that Kelly had joined the cast during a table read.
"I was like, 'Who's going to play this role?' And he was like, 'Oh, we just got Machine Gun Kelly.' And immediately, I was like, 'Uh oh,'" Fox said.
She continued, "I knew. I could feel that some wild s--- was going to happen to me from that meeting, but I wasn't yet sure what. I just felt it like, deep in my solar plexus that something was going to come from that."
When the costars were filming in Puerto Rico, their trailers were directly next to each other, according to Kelly, who said he'd wait outside to "catch one glimpse of eye contact" with the actress.
"She would have to get out of her car," he said, adding, "There were like five steps between the car and the trailer. I would just sit there and hope."
Fox said that she considers Kelly to be her "twin flame," which the actress described as a soul that has "ascended to a high enough level that it can be split into two different bodies at the same time."
"We're actually two halves of the same soul," she said. "I said that to him almost immediately, because I felt it right away."
July 24, 2020: Fox and Kelly were seen together strolling on the beach in Puerto Rico.
The couple went for a barefoot stroll on a beach in Puerto Rico, as seen in a video published by the Daily Mail.
The outlet reported that they were staying at Dorado Beach, a Ritz-Carlton Reserve.
Kelly and Fox weren't seen with any of their costars, but Emmett shared a photo of several "Midnight in the Switchgrass" cast members returning to Puerto Rico to film the movie on July 6.
July 29, 2020: They made their relationship Instagram official.
The couple made their Instagram debut with a black-and-white selfie that Kelly posted on his account.
In the photo, the musician and the actress have their arms wrapped around each other and are both sticking their tongues out.
He set the post's location as "The Universe" and captioned the photo, "waited for eternity to find you again."
August 3, 2020: Green spoke about finding out that Fox and Kelly were in a relationship and said that co-parenting is "going as well as it can."
Green spoke about the moment he found out about Fox and Kelly's relationship during an interview on the "Hollywood Raw" podcast.
"I found out in my own way. And that's as much detail as I'll give you on that one. I didn't read about it or anything like that," he said.
The actor continued to explain that both he and his ex remain committed to co-parenting their kids.
"I think it's going as well as it can," Green said, adding, "There's no rule book to it. There's no way of doing it right or doing it wrong. We are learning as we go. The important thing for us is just communicating as much as we can."
Noting that their behavior has the potential to affect their children, Green said that parents have a responsibility to make sure their kids feel "safe in it and feel loved."
"Everyone still loves and respects everyone, things are just different. It's not bad different, it's just different," he said, adding that he wishes Fox "the absolute best in everything."
"I want her to be completely happy, for her, for the kids. That's super important. No one wants to be around somebody that's unhappy, nothing good comes out of that. That's a terrible situation," Green said. "We are taking it day by day."
The actor continued to call the timing of their split "insane" and "unfortunate" since "the news cycle is a bit bigger than we were prepared for" due to the coronavirus.
"It is what it is," he said.
August 5, 2020: Fox posted an Instagram photo with Kelly for the first time.
Both Fox and Kelly have towels tied around their waists in the black-and-white selfie that Fox shared to her Instagram account.
"Achingly Beautiful Boy... My heart is yours," the actress captioned the photo, adding knife and heart emojis.
August 6, 2020: Green appeared to mock Fox's tribute to Green.
Hours after Fox posted the black-and-white selfie with Kelly, Green published photos that appeared to be in direct response to her tribute.
The actor posted a photo of his 18-year-old son Kassius, whom he shares with his ex Vanessa Marcil, along with pictures of Noah, 7, Bodhi, 6, and Journey, 4, whom he shares with Fox.
He wrote: "Achingly beautiful boys...... My heart is yours"
The caption was nearly identical to Fox's message about Kelly.
August 6, 2020: The couple lip-synced in a video together.
Kelly and Fox jammed out together in a video that the musician posted to Instagram.
"who's coming to the Concert for Aliens??" he wrote.
August 14, 2020: Kelly implied that he wanted to be with Fox forever.
During a segment with Buzzfeed, Kelly read fans' "thirst tweets," one of which asked the musician on a date.
"Machine gun kelly I just wanna let you know am free this sunday to go on a date just let me know if ur free sunday cause I am free and would like to take you on a date," the fan wrote.
He responded: "I'm locked in already right now. No dates for me. Probably ever."
August 30, 2020: Green said he will "never say never" about getting back together with Fox.
When a fan asked Green if he'd ever rekindle his relationship with Fox during the actor's first Instagram Live, he said he hasn't counted it out.
"I never say never. I kinda feel like people are on paths in life and sometimes your paths are together and you travel that path together and you see eye to eye and then sometimes paths do different things," he said.
Green continued, "We had an amazing 15-year relationship. We have three beautiful kids. We shared a lot together and we really went through a lot together. Right now the paths are different and she is on her path doing what she feels she needs to be doing to be happy and I'm on my path doing what I feel I need to do to be happy and it's not for a lack of love for the kids or lack of being responsible."
September 10, 2020: Sources said that Kelly is "obsessed" with Fox and has met her kids.
A source told Us Weekly that the couple isn't planning on getting engaged or starting a family in the near future.
"It's too soon for everyone, both of their kids and Brian included," the source told the outlet, adding, "They are definitely super into each other. MGK is obsessed with Megan."
According to the source, Kelly has met Fox's children even though "Brian is pretty protective of them." Fox and Green continue to co-parent "as best as they can," though the source called their relationship "so up and down."
September 17, 2020: Fox and Kelly rocked out to "Bloody Valentine" in the car.
The couple danced after hearing "Bloody Valentine" on the radio for the first time, Kelly showed in a video he posted on Instagram.
The musician, who was driving on the highway while filming, showed the song title and then switched over to Fox, who sat in the passenger seat singing along.
He captioned the post: "just heard 'bloody valentine' on the radio for the first time!!!" Kelly also set the location as "Love Story."
September 23, 2020: Kelly said he fell in love "for the first time" when he met Fox.
Kelly discussed his relationship with Fox during a virtual visit to "The Howard Stern Show."
"I didn't know what [love] was until me and her made eye contact," he said, adding, "That's when I was like, 'Whoa.'"
Confirming that it was love at first sight, Kelly said he "did fall in love for the first time."
"That was my first experience with being open to love and stuff like that. I definitely wasn't set up to believe that that's something that could ever exist," he added.
September 29, 2020: Fox appeared in Kelly's music video for his song "Drunk Face."
Kelly's music video for "Drunk Face" features a montage of clips from his fast-paced life in the limelight, and, like in the music video for "Bloody Valentine," Fox is featured throughout.
The video reveals some of the everyday moments between the couple — like a kiss in the backseat of a car and a moment holding hands as they maneuver past paparazzi.
The actress is also seen painting Kelly's fingernails hot pink and boarding a private jet by his side.
October 23, 2020: Kelly said falling in love with Fox made him a "better person."
Kelly said that Fox had a major influence on his 2020 album "Tickets to My Downfall."
"'Tickets' is essentially my diary, because I did fall in love during the making of this record, and I did become a better person. It's interesting," he told NME.
Kelly said that the album's title could've "lived up to a reality" if he hadn't changed the direction his life was going.
"I think the universe caught on to me wanting to make a change. It was like: 'Maybe we won't make this a reality; maybe we'll make this ironic,'" he said. "Instead of the downfall, go ahead and have the biggest rise of your f---ing life."
November 17, 2020: Kelly said meeting Fox took him "out of the fast lane."
The musician said that he found Fox at a period of time when love was not "being encouraged" during his interview with Nylon.
"In fact, it's exactly the opposite: everything now is isolation, dehumanization, separation," he explained, adding that it would be natural to have a "rock star" mentality "with multiple women and all that."
But meeting Fox started a new chapter for Kelly.
"Finding someone that can take you out of the fast lane and make sure that you're safe, because at any minute you can crash — I love that it can evolve into that," he said.
November 17, 2020: Fox said that loving Kelly is "like being in love with a tsunami or a forest fire."
In Kelly's December cover story for Nylon, Fox likened her love for the musician to a natural disaster.
"Loving him is like being in love with a tsunami or a forest fire," she said, adding, "The intensity of merging with him is just overwhelming, and the threat it poses is so powerful but so beautiful that you have no choice to surrender with reverence and with gratitude."
Fox also called their relationship "once in a lifetime thing" and said they have a connection of "mythic proportions."
The actress explained that she never tries to "control him" but rather helps Kelly "avoid his own self destructive tendencies."
"That's where I'm useful because on his own and left to his own devices I don't know how much interest he has in caring for himself," she said.
However, Fox said that she was drawn to Kelly from the moment she saw him, despite his bad boy reputation.
"I looked into his eyes [and] I felt the most pristine, most gentle, most pure spirit. My heart shattered immediately and I just knew that I was f---ed," she recalled.
November 22, 2020: They made their red-carpet debut as a couple at the 2020 American Music Awards.
Fox and Kelly made the 2020 AMAs into a date night, showing up to the red carpet at the Microsoft Theater in Los Angeles arm-in-arm.
The actress later introduced her boyfriend ahead of his first-ever AMAs performance, during which he played "Bloody Valentine" and "My Ex's Best Friend."
"Once in a lifetime, magic can happen," she told the audience, continuing, "For this next performer, we've all been under his spell since his debut in 2012."
Kelly also gushed over Fox in an Instagram post. He included a photo of himself and the actress on the red carpet along with a behind-the-scenes mirror selfie.
The musician captioned the pictures: "slept next to a shotgun til she came into my life."
November 22, 2020: The same evening, Fox revealed a new shoulder tattoo that many people believed was inspired by Kelly.
The same evening that the couple made their red-carpet debut at the 2020 AMAs, Fox showed off her brand new shoulder tattoo for the first time.
The tattoo reads, "El pistolero," which is Spanish for "the gunman."
Given that the musician's stage name is Machine Gun Kelly, fans speculated that the ink was dedicated to her beau.
Fox, however, hasn't confirmed the meaning behind the tattoo.
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