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

Nicole "Snooki" Polizzi
Age: 24
Occupation: Reality Television Star
Known For: Appearing on the MTV reality show 'Jersey Shore,' on which she's gotten rich and famous while drinking, partying, and generally embarrassing her parents

Miley Cyrus
Age: 19
Occupation: Actress and Singer
Known For: Her dual role on the Disney Channel sitcom 'Hannah Montana,' hit songs such as 'Party in the U.S.A.,' being the daughter of country singer Billy Ray Cyrus, and being way too anxious to grow up

Joe Eszterhas
Age: 67
Occupation: Screenwriter
Known For: Being the controversial and combative writer of films like 'Basic Instinct' and the so-awful-it's-wonderful 'Showgirls'

Bruce Vilanch
Age: 63
Occupation: Writer and Actor
Known For: More than a decade as the head writer for the Oscars telecast, being a featured writer for the Tonys, Grammys and Emmys, and his four-year stint on 'Hollywood Squares'

Bruce Hornsby
Age: 57
Occupation: Singer, Songwriter, and Musician
Known For: Leading Bruce Hornsby and the Range on songs such as 'The Way It Is' and 'Mandolin Rain,' his collaborations with other artists such as the Grateful Dead, Bob Dylan, and Stevie Nicks, and being one of the most respected artists of his time

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