Were you born in January? You're not alone. See which celeb shares your birthday.
Star of TV's Rosewood and Nurse Jackie and films like The Best Man Holiday and The Perfect Guy, Chestnut rings in his birthday along with the New Year. Frank Langella and Verne Troyer also share a Jan. 1 birthday.
Superman Returns star Kate Bosworth shares a Jan. 2 birthday with other celebs, including Oscar winner Cuba Gooding Jr., Big Brother alum Dr. Will Kirby, and Private Practice alum Taye Diggs.
New York Giants quarterback Eli Manning celebrates his birthday on the third of January. Mel Gibson, Wonder Years star Danica McKellar, and American Idol alum Kimberley Locke also share the same birthday.
The British actress, known for her roles in Legends of the Fall and Sabrina, rings in her birthday on this day along with comedian Dave Foley and Glee star Dot Jones.
January Jones, Diane Keaton, and Robert Duvall are among the A-listers who share their birthday with Cooper. Another Jan. 5 birthday? Cooper's ex-girlfriend Suki Waterhouse.
Walking Dead hunk Norman Reedus celebrates his birth on Jan. 6 alongside Oscar winner Eddie Redmayne and Saturday Night Live star Kate McKinnon.
Another Walking Dead star with a January birthday, Lauren Cohan shares her special day with Haley Bennett, Nicolas Cage and Jeremy Renner.
The R&B singer shares his Jan. 8 birthday with Criminal Minds' Rachel Nichols and "Make Me (Cry)" singer Noah Cyrus.
Kate Middleton, J.K. Simmons, and Nicola Peltz are among the celebs who share a Jan. 9 birthday with Vampire Diaries' star Nina Dobrev.
Happy Jan. 10 birthday to the Person of Interest star and former NFL cheerleader. Flight of the Conchords' Jemaine Clement and musician Rod Stewart also have cause to celebrate that day.
Singer and former Dancing with the Stars contestant Cody Simpson shares his special day with another famous musician, Mary J. Blige.
The Glee alum isn't the only famous face with reason to celebrate on Jan. 12. Zayn Malik, formerly of One Direction, was born on the same day.
Is everyone born on Jan. 13 a hottie? The Hunger Games star was born on the same day as Orlando Bloom and "Dr. McDreamy" himself, Patrick Dempsey.
The rapper-turned-actor isn't the only Jan. 14 birthday boy. Arrested Development's Jason Bateman also shares the special day.
The Southland actress has the same birthday as the "rapper who loves rapping about parties," Pitbull.
Creator and former star of the Broadway musical Hamilton, Lin-Manuel Miranda celebrates his birthday on Jan. 16 alongside model Kate Moss.
The "adorkable" New Girl star has the same birthday as Jim Carrey, Michelle Obama and Betty White.
Another leading man with the same birthday? How I Met Your Mother star Jason Segel.
Country music legend Dolly Parton and Sons of Anarchy's Katey Sagal have the same birthday as the Fuller House star.
American Horror Story star Evan Peters will cut the birthday cake this month. The Office's Rainn Wilson and Clueless' Stacey Dash will mark their birthdays on the same day.
The League of Their Own star has the same birthday as "Baby Spice" Emma Bunton.
Another celeb birthday on Jan. 22? Suits star Gabriel Macht.
Law & Order: Special Victims Unit's Mariska Hargitay and Saved by the Bell alum Tiffani Thiessen both have a reason to celebrate on Jan. 23.
Will Mischa Barton throw a birthday party in The O.C.? Who knows! But her guest list should include her birthday twins Ed Helms and Tatyana Ali, of Fresh Prince of Bel-Air fame.
The "Girl on Fire" singer isn't the only major musician with a milestone on this day. 5 Seconds of Summer's Calum Hood was also a Jan. 25 baby.
America's favorite funny lady marks her birthday on Jan. 26, along with Once Upon a Time heartthrob Colin O'Donoghue.
The Gone Girl actress shares her special day with The Good Wife's Alan Cumming and Jackie Brown star Bridget Fonda.
The Modern Family star was born on Jan. 28, along with actor Elijah Wood and rappers J. Cole and Rick Ross.
You get a birthday, and you get a birthday! Everybody gets a birthdaaaaay! Who shares their special day with the media mogul? This Is Us star Justin Hartley, Blue Bloods' Tom Selleck, and American Idol alum Adam Lambert.
Batman, er, Christian Bale was a Jan. 30 baby. Also celebrating on this day: Wilmer Valderrama, Kid Cudi and Gene Hackman.
Saving the best for last, a ton of stars share a Jan. 31 birthday. Justin Timberlake, Minnie Driver and Portia de Rossi are among the celebs turning one year older today.