From Khloe Kardashian to Jonah Hill and more, these stars have all debuted impressive weight losses over the years.
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Brittany Cartwright
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Busta Rhymes
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Erika Jayne
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Fat Joe
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John Goodman
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Oprah Winfrey
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Will Smith
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Meghan Trainor
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Riley Buruss
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David Harbour
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John Goodman
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Billy Joel
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Christopher Schwarzenegger
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Jonah Hill
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Meghan Trainor
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Kelly Clarkson
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Mariah Carey
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Melissa McCarthy
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Missy Elliott
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Khloe Kardashian
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Abby Lee Miller
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Raven Symone
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Sam Smith
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Janet Jackson
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Drew Carey
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Randy Jackson
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Kirstie Alley
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Kelly Osbourne
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Jordyn Sparks
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