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

Ralph Fiennes
Age: 49
Occupation: Actor
Known For: Playing Lord Voldemort in the 'Harry Potter' film series, giving Oscar-nominated performances in 'The English Patient' and 'Schindler's List,' and a 2007 incident in which he joined the Mile High Club with a Qantas flight attendant

Jordin Sparks
Age: 22
Occupation: Singer and Songwriter
Known For: Winning the sixth season of 'American Idol' and being the youngest winner the show has ever had, a platinum-selling debut album, five top 20 singles including the hit 'No Air,' and a 2009 Grammy nomination

Diane Sawyer
Age: 66
Occupation: Television Journalist
Known For: Anchoring 'ABC World News,' previously co-anchoring 'Good Morning America,' being a Peabody Award winner, and her longtime marriage to film director Mike Nichols

Robin Gibb
Age: 62
Occupation: Singer and Songwriter
Known For: Being a member of the Bee Gees, who've sold more than 220 million records worldwide and had hit singles like 'How Can You Mend a Broken Heart,' 'Jive Talkin',' 'How Deep is Your Love?,' and 'Stayin' Alive,' and his current battle with liver cancer

Ali Lohan
Age: 18
Occupation: Model
Known For: Being the unfortunate little sister of Lindsay Lohan and the even more unfortunate daughter of Michael and Dina Lohan, and undergoing a recent physical transformation that's left her a scarily gaunt, pale shell of her former self

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