(CNN) —

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Marissa Jaret Winokur —
There's no way Winokur could play "Hairspray's" zaftig Tracy Turnblad these days. The Tony-award winning actress has dropped 60 pounds this year. And she isn't the only star who changed in 2012.

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Jessica Simpson —
Jessica Simpson has been pretty open about the difficulty she's had shedding the pounds since she gave birth in May. But she celebrates her 50-pound weight loss in a new Weight Watchers commercial while not yet responding to reports that she is once again expecting.

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Miley Cyrus —
Oh wily Miley. We have watched you morph this year from a former Disney star to a harder-edged rocker type who performs with strippers. What would Hannah Montana say?

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Matthew McConaughey —
From thong to thin, McConaughey reportedly dropped 40 pounds for a movie role and the transformation was startling on the "Magic Mike" star.

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Lisa Lampanelli —
The comedian reportedly underwent surgery to help her shed 80 pounds and give her a new look.

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Paula Deen —
Deen announced in June 2012 that she lost 30 pounds over a six-month period after she was diagnosed with Type 2 diabetes. These days she is looking slimmer than ever.