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

Sharon Osbourne
Age: 60
Occupation: Manager, Promoter, and Television Personality
Known For: Her longtime marriage to rock icon Ozzy Osbourne, co-hosting 'The Talk', judge on 'America's Got Talent', and for being the mother of fellow television personality Kelly Osbourne

Tony Shalhoub
Age: 59
Occupation: Actor
Known For: Winning three Emmys for portraying Adrian Monk on the TV series 'Monk,' and roles in movies such as 'Spy Kids' and 'Men in Black'

Scott Bakula
Age: 58
Occupation: Actor
Known For: His television roles as Sam Beckett in 'Quantum Leap,' Captain Jonathan Archer in 'Star Trek: Enterprise,' and most recent the lawyer Trip on 'Desperate Housewives'

John O'Hurley
Age: 58
Occupation: Actor
Known For: Playing J. Peterman on 'Seinfeld,' hosting 'Family Feud' from 2006 to 2010, and losing to Kelly Monaco on the first season of 'Dancing with the Stars'