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

Randy Jackson
Age: 56
Occupation: Musician, Producer and TV Personality
Known For: Grammy-winning production work with Gladys Knight, production and studio stints with other artists including Mariah Carey and Journey, and a longtime seat on the 'American Idol' judging panel, where he wears clothing of questionable taste while calling everyone "dawg" and copiously using tired terminology like "pitchy"

Frances McDormand
Age: 55
Occupation: Actress
Known For: Her Oscar-winning role in 'Fargo,' other nominations for her work in 'Mississippi Burning,' 'Almost Famous' and 'North Country,' Tony-recognized Broadway appearances, and her marriage to Joel Coen, who's half of the famous filmmaking duo known as the Coen Brothers

Joss Whedon
Age: 48
Occupation: Screenwriter, Producer and Director
Known For: Being the cult-beloved creator and showrunner of television series like 'Buffy the Vampire Slayer,' 'Angel' and 'Firefly' as well as the short film 'Dr. Horrible's Sing-Along Blog,' and writing and directing the recent blockbuster smash movie 'The Avengers'

Selma Blair
Age: 40
Occupation: Actress
Known For: Appearing in movies such as 'Cruel Intentions,' 'Legally Blonde,' 'Hellboy' and 'The Fog,' playing the titular role of Kim in the US version of the TV series 'Kath & Kim,' and her lead role in Charlie Sheen's new sitcom 'Anger Management'

Jason Mraz
Age: 35
Occupation: Singer, Songwriter and Musician
Known For: Fusing several musical genres such as pop, rock, folk and reggae on songs such as 'The Remedy (I Won't Worry)' and his breakthrough hit 'I'm Yours,' which holds the record for most weeks spent on the Hot 100 chart

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