Celeb Weight Loss Comebacks

She didn’t do one season of "The Voice," disappeared for a minute and re-emerged looking like THIS!

Christina Aguilera Before Weight Loss

Christina Aguilera After Weight Loss

Britney Spears Before Weight Loss

Britney Spears After Weight Loss

Khloe Kardashian Before Weight Loss

Khloe Kardashian After Weight Loss

Kelly Osbourne Before Weight Loss

Kelly Osbourne After Weight Loss