07/31/2013 05:13 pm ET | Updated Aug 03, 2013

Celebrity Weight-Loss Transformations That Will Surprise You

When Christina Aguilera appeared at a recent NBC press event looking lovely and svelte as ever in a pink minidress, we were reminded of all the other celebs who've wowed us with their weight loss.

Browse our gallery of slimmed-down stars to see who else battled the bulge and won.

Slimmed-Down Celebrities: Stars Who've Kept The Weight Off