Jessica Simpson Shares Adorable New Photos of 4-Week-Old Birdie with Daughter Maxwell and Son Ace

Maria Pasquini

The gang’s all here!

Jessica Simpson shared a sweet photo of her family — including daughter Birdie Mae, 4 weeks — dressed up in their Easter finest on Sunday.

In the adorable image, the proud mama, 38, cradles her newborn daughter in her arms, while standing beside her and husband Eric Johnson‘s eldest child, daughter Maxwell “Maxi” Drew, who turns 7 next month.

Sharing a sweet father-son moment, the singer’s husband, 29, stands behind them, while carrying their son Ace Knute, 5½.

Making the image even sweeter, the entire family wore coordinating outfits, with the couple’s two daughters wearing matching flower print dresses, while Johnson and Ace both wore blue suits. Tying the family look together, Simpson wore a sweet blue dress with flowers on it.

“Happy Easter from the Johnson Family, Party of 5!” she captioned the sweet photo, adding several festive Easter emojis.

This is the first photo Simpson has shared of all of her children together.

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RELATED: Jessica Simpson Enjoys Date Night with Husband Eric Johnson 4 Weeks After Welcoming Daughter Birdie

Also on Sunday, Simpson went on to post an adorable close-up shot of the couple’s 4-week-old daughter, who appeared to be taking a nap.

“Birdie Mae Johnson,” she simply captioned the snap.

The sweet social media shares came just hours after Simpson was spotted out and about for the first time since giving birth on March 19.

On Friday, the new mom stepped out for a date night with her husband in Los Angeles.

Simpson also showed off her date night makeup on Instagram, captioning her selfie: “The resurfacing of cheekbones 💃🏼 #CONTOUR.”

RELATED VIDEO:’Hot Dad Alert!’ Jessica Simpson Shares Snap of Husband Eric Johnson Holding Daughter Birdie

In March, Simpson’s rep confirmed to PEOPLE exclusively about the birth of the couple’s daughter. Birdie weighed 10 lbs., 13 oz.

Simpson also announced the birth on Instagram, sharing a black-and-white photo of her older daughter meeting the new addition. “We are so happy and proud to announce the birth of our perfect daughter, Birdie Mae Johnson,” she wrote.

RELATED: How Jessica Simpson Is Recovering After Giving Birth to Her (Almost 11 Lbs.!) New Daughter Birdie

Shortly after baby Birdie’s arrival, a source told PEOPLE that Simpson couldn’t be happier with her family of five.

“Jessica is feeling good. The baby is doing really well,” the source said in March. “Birdie is perfect and Jessica is savoring every minute. They are elated. They are just soaking it all in.”

Maxwell and Ace “are so excited” and “can’t get enough of” their new baby sister, the source added.