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Hottest Bodies 2014

Amazing Celebrity Slim-downs

See how these stars – Janet Jackson! Alec Baldwin! Mariah Carey! – shed the pounds for their biggest body transformations

ALEC BALDWIN

Slide the button to see his slim-down!
The 30 Rock star lost 30 lbs. in four months by cutting out sweets and rounding out his fitness routine with Pilates, spin, and a little yoga – which his bride-to-be Hilaria Thomas teaches for a living. "When we're shooting, and I can't work out, I just have to eat less," the actor, 54, said in January. "But sugar was the real killer for me – that was the problem."