Way before she was dancing with the stars (and romancing George Clooney
) 32-year old Stacy Keibler
was throwing her hat into the Hollywood ring as a WWE female fighter. Now that her wrestling days are gone (but not forgotten), Keibler's long and lean frame can be attributed to a mix of cross-training, stair-climbing, and kettlebells, as her trainer Juliet Kaska previously revealed to SHAPE. Watch Keibler's killer abs workout
and try it yourself.
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From former WWF darling Stacy Keibler to boxing buff Mark Wahlberg
9 Celebrities Who Got Fit Fighting