Who would've imagined that cute Stacy Ferguson from "Kids Incorporated" would become the single-named pop sensation known as Fergie?

Fergie celebrates her 37th birthday today, and in honor of the occasion, toofab has pulled together 37 of the Dutchess' sexiest looks.

The Black Eyed Peas singer's body is vicious thanks to her working on her fitness!

Click on the Launch Gallery button below to see photos of Fergie flaunting her lady lumps.

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