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

Ryan Reynolds
Age: 36
Occupation: Actor
Known For: Roles in films such as 'National Lampoon's Van Wilder,' 'Definitely, Maybe,' 'The Proposal,' and 'Green Lantern,' his former marriage to actress Scarlett Johansson, his close friendship with actress Sandra Bullock, and his adorable boyish charm

"Weird Al" Yankovic
Age: 53
Occupation: Singer, Songwriter, Producer, and Director
Known For: Recording at least 150 humorous songs that make light of popular culture and often parody established hits, selling more than 12 million albums, winning three Grammys, and directing videos for other artists including Ben Folds, Hanson, and the Black Crowes

Ang Lee

Age: 58
Occupation: Director
Known For: Movies such as 'Sense and Sensibility,' 'Crouching Tiger, Hidden Dragon,' and 'Hulk,' and winning the 2003 Academy Award for Best Director for 'Brokeback Mountain'

Dwight Yoakam
Age: 56
Occupation: Singer, Songwriter, and Musician
Known For: Being a country artist for nearly three decades during which he's recorded more than 21 albums and compilations, charted more than 30 singles on the Billboard Hot Country Songs charts, and sold more than 25 million records

Nancy Grace
Age: 53
Occupation: Attorney and Television Personality
Known For: Her nightly HLN show 'Nancy Grace' on which she discusses current events, crime, and legal matters, her stern manner, her intense disdain for acquitted accused killer Casey Anthony, and being a current contestant on 'Dancing with the Stars'