They've come a long way! See how your favorite pop icons -- including Katy Perry, Beyonce, Kelly Clarkson, and more -- became super chic red carpet pros
The Dreamgirls star--and former American Idol contestant--famously dropped 80 pounds following her Oscar-winning role. She admitted to Stylelist earlier this year that it took some time to get used to her new shape. "Because it's a new body, I'm trying to find out, how do I want to be perceived? Who is this new me? I knew how to be the big girl, but now I have to find out how to be this girl," Hudson explained about learning to dress her new shape.