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

Florence Henderson
Age: 78
Occupation: Actress
Known For: Her iconic portrayal of mom Carol Brady on the sitcom 'The Brady Bunch,' being the spokeswoman for Wesson cooking oil, and competing on 'Dancing with the Stars,' where she hilariously proved she's nothing like her wholesome image

Rob Thomas
Age: 40
Occupation: Singer and Songwriter
Known For: Being the primary songwriter and lead singer of the band Matchbox Twenty, known for songs like '3 a.m.' and 'Bent,' a solo career that includes the multiple Grammy-winning collaboration with Carlos Santana, 'Smooth,' and writing songs for other artists such as Tom Petty, Willie Nelson and Mick Jagger

Hugh Downs
Age: 91
Occupation: TV Broadcaster, Show Host and Author
Known For: A 9-year gig co-hosting the 'Today' show in the 1960s, hosting the game show 'Concentration' for another decade, and anchoring the ABC News magazine '20/20' for 21 years

Pat O'Brien
Age: 64
Occupation: Radio and TV Personality
Known For: Previous gigs as a sportscaster with 'CBS Sports' and an anchor/host on 'Access Hollywood' and 'The Insider,' currently being a radio host with Fox Sports Radio, and a rather embarrassing scandal in which he left a woman several sexually-charged, drug-fueled voicemails

Meg Tilly
Age: 53
Occupation: Actress
Known For: Her breakthrough role in 'The Big Chill,' roles in other movies like 'Agnes of God' and 'The Two Jakes,' and being the younger sister of actress Jennifer Tilly

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