Check out these celebrity weight loss pics! They are impressive!
22 Super Slimmed Down Celebrities

Jersey Shore’s Snooki ate right and exercised and lost weight after giving birth to her son, Lorenzo.
Jessica Simpson Weight Loss Pic

Jessica Simpson showed off her post-baby bod in Redbook.
22 Super Slimmed Down Celebrities

Mariah Carey showed off her post-baby abs.
22 Super Slimmed Down Celebrities

Kelly Clarkson dropped 30 pounds by working with a trainer and using portion control.
22 Super Slimmed Down Celebrities

Carrie Fisher showed off a slimmer frame.
22 Super Slimmed Down Celebrities

Matthew McConaughey dropped weight for his acclaimed role in Dallas Buyers Club.
22 Super Slimmed Down Celebrities

Chris Pratt took a selfie of his super-ripped bod after getting in shape for Guardians of the Galaxy.
22 Super Slimmed Down Celebrities

Christina peeled off the pounds in 2013.
Jennifer Hudson Weight Loss

Jennifer Hudson became a Weight Watchers spokesperson and lost 80 pounds.
22 Super Slimmed Down Celebrities

Ricki Lake lost 25 pounds while on Dancing With the Stars.
22 Super Slimmed Down Celebrities

Kelly Osbourne worked on keeping herself fit after a stint on Dancing With the Stars.
Perez Hilton Weight Loss Pic

Perez Hilton started eating better and working out and lost 60 pounds!
Seth Rogen Weight Loss

Seth Rogen slimmed down for his role in The Green Hornet.
22 Super Slimmed Down Celebrities

Jordin Sparks showed off her bikini bod in Shape. The singer lost 30 pounds after working with her trainer.
22 Super Slimmed Down Celebrities

Kendra Wilkson shed in 2011 and talked tips with OK! Magazine.
Kevin Smith Weight Loss Photo
Filmmaker Kevin Smith recently lost 85 pounds. He showed off the transformation in a stunning before-and-after pic tweeted earlier today.