Click through our Birthday Babes gallery to find out when your favorite celebs celebrate their big day this year!
PICS: ET Birthday Babes
Turned 69, January 29. Best known for playing private investigator Thomas Magnum on Magnum P.I., Selleck currently stars as Police Commissioner Frank Reagan on the CBS cop drama Blue Bloods.
Richard Dean Anderson
James Earl Jones
LL Cool J
Cuba Gooding Jr.
Jamie Lee Curtis
Carly Rae Jepsen
Jesse Tyler Ferguson
Jean-Claude Van Damme
Turned 33, October 8. After graduating from high school in 2008, the America's Got Talent host landed a gig as a warm-up comedian for Nickelodeon's studio audience in Los Angeles. This led to being featured on their hit show All That.
Also, check out this SUPER sexy birthday tweet Cannon received from his wife Mariah Carey.
Rachael Leigh Cook
Seann William Scott
Jada Pinkett Smith
Taraji P. Henson
Evan Rachel Wood
Chad Michael Murray
Turns 40, August 22. While most famous for her long run on SNL and her appearance in the hit comedy Bridesmaids, Wiig has an active voice work career as well. Currently, she provides the voice of Lola in the re-imagined and modernized The Looney Tunes Show on Cartoon Network.
Turned 57, August 21. While most famous for playing the
sex-kitten Samantha Jones on Sex and the City, fans of campy action films might
remember her best for her wonderful turn in the John Carpenter classic Big
Trouble in Little China.
Turned 30, August 21. Jenner rose to fame appearing on the
hit TV reality shows The Princes Of Malibu and The Hills. He is also the son of
Olympic champion and reality TV personality Bruce Jenner.
Turned 39, August 20. Adams, who could be seen most recently
in Man Of Steel playing the iconic Lois Lane, also played one of the only
live-action Disney princesses when she portrayed Princess Giselle in Enchanted.
Turned 30, August 20. Before he was Spider-Man, Garfield
guest starred in another beloved geek franchise when he played a young homeless
kid in 1930's New York in a two-episode arc of Dr. Who.
Turned 21, August 20. Lovato could most recently be seen
rocking the house with a performance at the 2013 Teen Choice Awards, where she
also won three awards for Choice Female Artist, Choice Single from a Female
Artist, and Choice TV Personality.
Turned 44, August 19. Perry is best known for his role on Chandler Bing on Friends, but received the most Emmy noms for guest starring as Joe Quincy on The West Wing.
Turned 48, August 19. Sedgwick is best known for her lead role on TNT's The Closer, which won her both an Emmy and a Golden Globe. She is also married to actor Kevin Bacon.
Turned 48, August 19. Kevin Dillon, perhaps best known as Johnny Drama on Entourage, is also the younger brother of actor Matt Dillon.
Turned 58, August 19. Peter Gallagher, who starred as Sandy Cohen in the FOX series The O.C., starred in the Broadway revival of the classic musical Guys And Dolls in the iconic role of Sky Masterson, a role played in the film version by Marlon Brando.
Turned 50, August 19. While famous for comedic roles in shows like Full House and, later, Glee, Stamos actually began his career playing a character on General Hospital, for which he was nominated for a Daytime Emmy.
Turned 55, August 16. The Like A Virgin singer has had two songs banned from MTV and VH1. They were Justify My Love and What It Feels Like For A Girl. Her song Erotica could only be played after midnight.
Turned 55, August 16. The How Stella Got Her Groove Back star got her groove going, and married Law & Order star Courtney B. Vance in 1997.
Turned 51, August 16. Steve Carell first rocketed to mainstream fame when he appeared as a recurring correspondent on The Daily Show, until he got booked in his iconic role as Michael Scott in The Office.
Turned 31, August 16. Along with acting in many popular films, such as Twilight and Easy A, Cam is also a black belt in Krav Maga.
Turned 59, August 16. The two highest-grossing films of all time, Titanic and Avatar, were both directed by James Cameron, making him one of the most successful directors of all time.
Turned 23, August 15. When she won a Best Actress Oscar for her role in Silver Linings Playbook, she became the second-youngest actress to win the award. (The youngest was Marlee Matlin for her performance in Children of a Lesser God.)
Turned 41, August 15. One of his earliest film roles was Basketball Player #10 in the 1992 film Buffy The Vampire Slayer.