It's Jennifer Lopez! She may still be 'Jenny from the Block,' but we're guessing this superstar spends more time taking limos than riding 'On the 6.' After making her name as a "Fly Girl" on the '90s sketch-comedy series 'In Living Color' and flexing her dramatic muscle in 'Selena' -- the acclaimed 1997 biopic that made her a leading lady -- J.Lo made the move to music. Seven albums and nearly as many famous paramours (Diddy, Ben Affleck, Marc Anthony, etc.) later, Lopez is still going strong, giving heartfelt concerts, rocking eye-popping outfits and mentoring the next generation of performers on 'American Idol.'

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Watch Jennifer Lopez's 'On the Floor' Feat. Pitbull