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

Hugh Grant
Age: 52
Occupation: Actor
Known For: Movies such as 'Four Weddings and a Funeral,' 'Notting Hill,' and 'Bridget Jones's Diary,' a long relationship with model Elizabeth Hurley, and a bout of temporary insanity when he hooked up with a street prostitute in 1995

Tom Wopat
Age: 61
Occupation: Actor and Singer
Known For: Playing Luke Duke in the long-running television series 'The Dukes of Hazzard,' Tony-nominated Broadway work, and recording eight albums

Adam Sandler
Age: 46
Occupation: Actor, Comedian, Singer, and Songwriter
Known For: His work on 'Saturday Night Live' and in films such as 'Billy Madison,' 'Happy Gilmore,' and '50 First Dates,' and funny original songs such as 'The Chanukah Song'

Goran Visnjic
Age: 40
Occupation: Actor
Known For: His role as the swoon-worthy Dr. Luka Kovac in the TV series 'ER'

Michelle Williams
Age: 32
Occupation: Actress
Known For: Appearing on the teen drama 'Dawson's Creek,' two Oscar nominations for her work in 'Brokeback Mountain' and 'Blue Valentine,' and a high-profile relationship with the late Heath Ledger