Wyatt! Sienna! Onyx! See Which Celeb Babies Celebrate Their Birthdays in April

Bruce Willis' daughter Mabel Ray turned 9 on April 1.

Milla Jovovich and Paul W. S. Anderson's daughter Dashiel Edan turned 6 on April 1.

Dane DeHaan and Anna Wood's daughter Bowie Rose turned 4 on April 2.

Ronnie Ortiz-Magro's daughter Ariana Sky turned 3 on April 3.

Katherine Heigl and Josh Kelley's daughter Adalaide Marie Hope turned 9 on April 3.

Josh and Heather Bilyeu Altman's daughter Alexis Kerry turned 4 on April 3.

Gordon Ramsay's son Oscar James turned 2 on April 4.

Jenna Jameson's daughter Batel Lu turned 4 on April 6.

Karla Souza's daughter Gianna turned 3 on April 6.

Robin Thicke and Paula Patton's son Julian Fuego turned 11 on April 6.

Jeff Goldblum's son River Joe turned 4 on April 7.

Curtis Rempel's daughter Millie June turned 4 on April 7.

Joey Gonzalez and Jonathan Rollo's son Jake Stone turned 4 on April 8.

Gwyneth Paltrow and Chris Martin's son Moses turned 15 on April 8.

Marcela Valladolid's son David turned 6 on April 9.

Nathan Followill's son Oliver Francis turned 3 on April 10.

John and Caitlin McHugh Stamos' son William "Billy" Christopher turned 3 on April 10.

Jamie Lynn Spears' daughter Ivey Joan turned 3 on April 11.

Khloé Kardashian and Tristan Thompson's daughter True turned 3 on April 12.

Teresa Palmer's daughter Poet Lake turned 2 on April 12.

Mark Ruffalo's daughter Bella turned 16 on April 12.

David Parnes' daughter India turned 3 on April 12.

Jenna Bush Hager's daughter Margaret "Mila" Laura turned 8 on April 13.

Katy Tur and Tony Dokoupil's son Theodore, a.k.a. Teddy, turned 2 on April 13.

Eva Marcille's son Michael Todd Jr. turned 3 on April 13.

John Legend and Chrissy Teigen's daughter Luna Simone turned 5 on April 14.

Cody Webb's daughter Josie Layne turned 2 on April 14.

Loren and Alexei Brovarnik's son Shai Josef turned 1 on April 14.

Patrick Renna's son Flynn Maxwell turned 4 on April 14.

Megan Boone's daughter Caroline turned 5 on April 15.

Brianne Davis' son Davis Nolan turned 3 on April 16.

Dwayne "The Rock" Johnson's daughter Tiana Gia turned 3 on April 17.

Mercedes "MJ" Javid's son Shams Francis turned 2 on April 17.

Jill Wagner's daughter Army Gray turned 1 on April 17.

Katie Holmes and Tom Cruise's daughter Suri turned 15 on April 18.

Nick Carter's son Odin Reign turned 5 on April 19.

Lauren Bush Lauren's son Max Walker turned 3 on April 19.

Melissa Rycroft Strickland's son Beckett Thomas turned 7 on April 20.

Pete Wentz's daughter Marvel Jane turned 3 on April 20.

Trey Songz's son Noah turned 2 on April 20.

Alex Rodriguez's daughter Ella Alexander turned 13 on April 21.

Jasmine Roth's daughter Hazel Lynn turned 1 on April 21.

Jimmy Kimmel and Molly McNearney's son William "Billy" John turned 4 on April 21.

Jack Osbourne and Lisa Stelly's daughter Pearl Clementine turned 9 on April 24.

Tamron Hall's son Moses turned 2 on April 24.

Lukas Forchhammer's daughter Billie turned 1 on April 24.

Cush Jumbo's son Maximilian, a.k.a. Max, turned 3 on April 24.

Anderson Cooper's son Wyatt Morgan turned 1 on April 27.

Golnesa "GG" Gharachedaghi's son Elijah Javad turned 1 on April 27.

Carson Wentz's daughter Hadley Jayne turned 1 on April 27.

Iggy Azalea and Playboi Carti's son Onyx turned 1 on April 27.

Ciara and Russell Wilson's daughter Sienna Princess turned 4 on April 28.

Matt Cedeño's daughter Aviana Jaselle turned 3 on April 28.

Jake Owen's daughter Paris Hartley turned 2 on April 29.

Dale Earnhardt Jr.'s daughter Isla Rose turned 3 on April 30.

Alfonso Ribeiro's son Anders Reyn turned 6 on April 30.