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Snooki, Khloé Kardashian, and More — See the Most Shocking Celebrity Weight Losses of All Time

Losing weight isn't easy, but it's definitely worth the hard work – just ask celebs like Snooki and Khloé Kardashian, who have dropped more than 40 lbs!

RELATED: Rob Kardashian Has Lost 40 Pounds With the Help of Girlfriend Blac Chyna

Click through the gallery to see the most shocking celebrity weight transformations!