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

Ozzy Osbourne
Age: 64
Occupation: Singer
Known For: Selling over 100 million albums worldwide both as a solo artist and a member of Black Sabbath, songs like 'Paranoid,' 'Iron Man' and 'Crazy Train,' an indecipherable and much-mocked mumble, and starring with his family in the reality show 'The Osbournes'

Amanda Seyfried
Age: 27
Occupation: Actress
Known For: Appearing on HBO's popular series 'Big Love,' and in films like 'Mean Girls,' 'Mamma Mia!,' 'Red Riding Hood' and 'In Time'

Daryl Hannah
Age: 53
Occupation: Actress
Known For: Starring in a number of Hollywood films throughout the 1980s, notably 'Blade Runner,' 'Splash,' 'Wall Street,' and 'Roxanne,' and later films like 'Kill Bill'

Julianne Moore
Age: 52
Occupation: Actress
Known For: Movies like 'Boogie Nights,' 'The Big Lebowski,' 'Magnolia,' 'The Hours' and 'The Kids Are Alright,' four Oscar nominations, and being a rare Hollywood redhead in a sea of blondes

Brendan Fraser
Age: 44
Occupation: Actor
Known For: Appearing in the 'Mummy' film franchise and other movies including 'Encino Man,' 'George of the Jungle,' 'Journey to the Center of the Earth' and 'Crash'