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

Colin Hanks
Age: 34
Occupation: Actor
Known For: Appearing in films such as 'Orange County' and on TV in 'Band of Brothers,' 'Roswell,' 'The Good Guys,' and 'Dexter,' and being the eldest son of Oscar-magnet Tom Hanks

Katherine Heigl
Age: 33
Occupation: Actress
Known For: Her Emmy-winning work as Dr. Izzie Stevens on 'Grey's Anatomy' and starring in movies such as 'Knocked Up' and '27 Dresses'

Pete Best
Age: 70
Occupation: Unluckiest Man Alive
Known For: Being fired as the Beatles' drummer and replaced by Ringo Starr right before the band became a worldwide phenomenon

Linda Tripp
Age: 62
Occupation: Tattletale
Known For: Being the bullfrog-faced confidante of Monika Lewinsky's who eventually sold her out during the scandal that led to the impeachment and subsequent acquittal of President Bill Clinton

Sarah Hyland
Age: 21
Occupation: Actress
Known For: Starring as Haley Dunphy on the brilliant ABC comedy 'Modern Family'