These celebrities went to heavy and back in 2008, and have started 2009 looking like the fabulous hotties we love.
Britney’s spending three days in the gym with her trainer doing aerobics and weights.
Jennifer Love Hewitt was the talk of the town last year with accusations that she was too fat, and then her subsequent weight loss.
Seth Rogen shucked his overweight, slacker-dude look for a fit and trim look that’s quite attractive.
See the other celebrity weight loss success stories, and find out what they’re doing to stay in shape.