Some celebrities look totally different after undergoing major hair transformations.
Stars like Kim Kardashian and Selena Gomez are no strangers to switching up their hairstyles.
Others like Kate Hudson and Alexander Skarsgård have changed their hair for movie roles.
Kim Kardashian committed to a silvery blonde shade for months.
Kate Gosselin looks like a different person with long hair.
Kate Gosselin's original cut is practically iconic, but her long, flowing locks are even better.
Lena Dunham's shoulder-length hair revamps her entire look.
Lena Dunham has been known to wear shorter hairstyles ever since rising to prominence with her show "Girls," but she looks equally great with shoulder-length hair paired with some blunt bangs.
Amber Rose is unrecognizable with longer brunette waves.
Amber Rose is typically known for her shaved style, so the rare times she experiments with longer hair bring an unexpected but stunning twist on her look.
Robin Thicke hasn't always had short hair.
Before he became a star with his mega-hit "Blurred Lines," Robin Thicke used to look almost unrecognizable with long, shoulder-length hair.
Kathy Griffin shaved her locks in solidarity with her sister.
Kathy Griffin had one of the biggest controversies of 2017 when she posed with a fake bloody Donald Trump mask, and she followed that up with a drastic new hair change. She shaved her hair in support of her sister who was undergoing chemotherapy.
Kate Hudson traded in her long locks for dramatically shorter hair.
Kate Hudson shocked everyone when she shaved off her long locks while filming a project with singer Sia in July 2017. She proved she can make any hairstyle look good, especially as it started to grow back into this super chic pixie cut.
Katy Perry had a big chop that totally changed the way she looks.
Katy Perry is no stranger to switching up her look, but this short pixie cut is her most drastic change to date. She previously opened up about her decision to change her hair during a 24-hour live stream to promote her album "Witness."
Britney Spears looks different as a brunette.
She's known for her signature blonde locks, but Britney Spears is actually a natural brunette. That's probably why her darker color looked like a perfect fit when she surprised everyone with a new hue in February 2013.
You probably forgot that Justin Timberlake looked like this.
Justin Timberlake cut his curly locks for a shaved buzzcut when he kicked off his solo career, and the transformation has become his signature look. However, his tiny curls will forever be seen as a signature style of the '90s.
Kristen Stewart chopped off her hair, and went from brunette to blonde.
Zoë Kravitz looks like a whole other person without her blonde braids.
Zoë Kravitz can rock basically any hairstyle, and her sleek, spiky 'do from September 2017 was a chic way to switch up her look.
Alexander Skarsgård made an impression when he shaved part of his head.
Alexander Skarsgård left the internet divided when he shaved the top of his head in October 2017. Some people mocked his newly bald look, while others thought he would look good no matter what he did to his hair.
Keke Palmer went for a colorful, cropped hairdo.
Keke Palmer made a bold choice by not only shaving her head, but dying it a vibrant shade of purple — and it clearly payed off.
Emma Stone lightened her look with a Hollywood shade of blonde.
Emma Stone is typically known for her red hair, but she looked almost unrecognizable when she opted for a shade of light blonde.
Selena Gomez is a hair chameleon.
2017 was the year of massive hair transformations for Selena Gomez, who experimented with two wildly different looks. She started by chopping her long locks off into a lob before dying it a lovely shade of blonde later in the year.
Justin Bieber went for brighter blonde, side-swept hair.
Justin Bieber is another example of how a different hair color can completely change your appearance. He dyed his hair blonde during his 2015 comeback and it added a nice edge to his look.
Katie Holmes ditched her lob for a pixie cut.
Katie Holmes chopped off her signature shoulder-length hair for a shorter cut that still perfectly frames her face, and it makes her look very different from her "Dawson's Creek" days.
Miley Cyrus had long, reddish-brown locks before she went short and blonde.
Khloe Kardashian alternates between wearing hair extensions and rocking short hair.
Colin Farrell's longer hair makes him look wildly different.
Colin Farrell tends to go back and forth between short and shoulder-length hair, and both cuts completely transform his look.
Cara Delevingne switched up the length and color of her hair.
Emma Watson has changed up her look a fair amount over the last few years.
Emma Watson made it clear that she is very different from her character Hermione Granger when she chopped her hair into a short pixie cut. She's also experimented with some baby bangs, helping kick off one of the biggest hair trends of 2018.
Keanu Reeves may have had a less obvious transformation, but ditching his bangs changes his face shape.
Keanu Reeves' transformation is another example of a simple trim completely changing someone's look. His shorter hair adds a classic, clean-cut style, while his shaggy cut has a bit more of an edge.
Daisy Ridley looks totally different with curls.
The "Star Wars" actress walked the red carpet in March 2018 with a curly auburn 'do, and the subtle change made her look like a new person.
Hayden Panettiere drastically switched up her look with a dark blonde pixie cut.
Hayden Panettiere is typically seen with long blonde locks, but after a nearly 10-month social-media hiatus, she marked her return to Twitter with a selfie that showed off a new pixie cut.
Ariel Winter lightened her locks with a strawberry blonde shade.
Ariel Winter's hair color completely changed her appearance. After wrapping up the 11th and final season of "Modern Family," she dyed her hair strawberry blonde and shared the transformation photo on her Instagram page.
Hilary Duff spontaneously cut her hair and dyed it a bright shade of blue.
She shared a photo of the style and color to Instagram in April 2020, writing: "🤷🏼♀️yea." She later appeared on a live Instagram video with her husband Matthew Koma, who took credit for dyeing her hair.
Before she cut off her signature long ponytail, JoJo Siwa occasionally rocked her natural waves.
Tia Mowry looked like a different person after changing her hair color and style.
Tia Mowry is often open about her natural hair journey on Instagram, where she's posted photos of her curls and gray strands. But in recent years, she shared numerous selfies showing off her wavy blonde hair and curtain bangs.
"She's back!! You can call me #blondie #hairstyles #fun," Mowry wrote in her post.
Saweetie took the plunge and chopped off her natural hair for a buzzcut.
The "My Type" rapper debuted a platinum-blonde buzzcut on Christmas Eve in 2021 while on vacation.
Demi Lovato traded in a shaggy mullet for a buzzcut in December 2021.
Demi Lovato has been candid about their hair journey. In February 2021, Lovato recalled the moment they realized the need to 'let go' of their long locks while recovering from an eating disorder.
Lovato debuted a mullet with baby bangs while attending the 2021 iHeartRadio Music Awards, and on Christmas Day, showed off a new buzzcut.
JoJo Siwa officially said goodbye to her signature ponytail in April 2022.
"I'm still learning how to do it," she said in an Instagram story at the time. "It's way different than long hair — it's crazy. But I'm obsessed."
Read the original article on Insider