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.Frazer Harrison/Christopher Polk/Getty Images
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.Frazer Harrison/Christopher Polk/Getty Images
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?Jason Merritt/Christopher Polk/Getty Images
From thong to thin, McConaughey reportedly dropped 40 pounds for a movie role and the transformation was startling on the "Magic Mike" star.Andreas Rentz/Michael Buckner/Getty Images
The comedian reportedly underwent surgery to help her shed 80 pounds and give her a new look. Jamie McCarthy/Taylor Hill/Getty Images
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.Dave Kotinsky/Robin Marchant/Getty Images