Here's a look at some notable birthdays being celebrated today:

Will Smith
Age: 44
Occupation: Actor, Producer, and Rapper
Known For: Songs such as 'Summertime' as part of the duo known as DJ Jazzy Jeff & The Fresh Prince, starring in the sitcom 'The Fresh Prince of Bel-Air,' roles in films such as 'Independence Day,' and the 'Men in Black' franchise, and his marriage to Jada Pinkett Smith

Barbara Walters
Age: 83
Occupation: Journalist, Author, and Talk Show Host
Known For: Being a former anchor of 'ABC News,' hosting '20/20' and 'Today,' and creating, producing, and hosting the daily talk show, 'The View'

Michael Douglas
Age: 68
Occupation: Actor and Producer
Known For:  'Wall Street,' being the son of screen legend Kirk Douglas, his marriage to actress Catherine Zeta-Jones, and recently battling throat cancer

Heather Locklear
Age: 51
Occupation: Actress
Known For: Roles on television shows such as 'Dynasty,' 'T.J. Hooker,' 'Melrose Place,' and 'Spin City,' previous marriages to rockers Tommy Lee and Richie Sambora, and a current engagement to her former 'Melrose Place' co-star Jack Wagner

Catherine Zeta-Jones
Age: 43
Occupation: Actress
Known For: Roles in films such as 'The Mask of Zorro' and 'Crash,' winning an Oscar for her role in 2002's 'Chicago' and her marriage to actor Michael Douglas

Donald Glover
Age: 29
Occupation: Actor, Comedian
Known For: His role as Troy Barnes on 'Community'

Michael Madsen
Age: 55
Occupation: Actor
Known For: Playing the bad-ass in a lot of Quentin Tarantino movies. He was Mr. Blonde, the guy who had the sadistic torture scene, in 'Reservoir Dogs,' and part of the Deadly Viper Assassination Squad in 'Kill Bill'

Mark Hamill
Age: 61
Occupation: Actor
Known For: His iconic role as Luke Skywalker. These days he's doing voices for various animated characters for video games and Cartoon Network