Celebrity Birthdays: Happy Birthday, Mariah Carey!

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  • Fergie
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  • Norah Jones
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  • Celine Dion
  • Al Gore
  • Juvenile
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  • Mariah Carey

MC Hammer: March 30

The Oakland rapper is still "Too Legit to Quit" at 51.

(Photo credit: Lucas Dawson/Getty Images)

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