Celebrity weight loss transformations

The Oscar nominated Precious actress Gabourey Sidibe who weighed 350 pounds when she starred in the film, has shed an incredible 50 pounds.

Khloe Kardashian loves sharing the results of her frequent gym sessions with her Instagram followers and has lost almost 18kg since becoming more strict with her diet and exercise. Watch the star showing off her fitness closet in the next video

Melissa McCarthy has been steadily dropping the pounds during her time in the spotlight, showing off a noticeably slimmer figure at the Time 100 Gala this year.

Jonah Hill first slimmed down for his roles in the dramatic films Moneyball and The Wolf of Wall Street. While his weight has fluctuated over the years, the star has been open about his journey. “I think it’s about the work you are doing. Getting in better shape is a sign of maturity,” he said.

Sam Smith dropped a whopping three stone (19kg) following London-based nutritional therapist Amelia Freer’s healthy eating guidelines, which include doing away with junk food and processed snacks.

Kelly Osbourne’s approach to exercise is all about mixing it up - she told Fitness she goes for runs, does circuit training and has also tried trampoline workouts and hula hooping.

Adele debuted a new, slimmer look along with her musical comeback last year. The British songstress revealed she cut out alcohol, cigarettes and caffeine and “spicy, citrusy and tangy” foods in an effort to protect her voice as well as her health.

Gorgeous star America Ferrera rose to fame as the lead on TV’s Ugly Betty, but since then the actress has debuted a slimmed down figure. America is all about positive body image, however, telling Glamour, “To me, it’s all about being comfortable in your own skin”.

Comedian Seth Rogen slimmed down with the help of celeb-fave trainer Harley Pasternak, who helped the funny man lose around 13kg over a period of nine months.

Zach Galifianakis has been steadily dropping the pounds since his debut as the loveable oddball in The Hangover. The star hasn’t revealed too much about how he achieved his amazing slimdown, but in an interview with WGN he mentioned giving up alcohol and walking more.

Chris Pratt, the loveable star of Guardians of the Galaxy and Jurassic World, got ripped for his action roles by working with a trainer six days a week to achieve that toned and muscled look.

Britney Spears turned to a personal trainer to get in shape for her Vegas residency, which kicked off in December 2013. The singer put in the hard yards with 40-minute workouts 3-4 times a week, focusing on core training – and the results are jaw-dropping!

After welcoming son Ace in 2013, Jessica Simpson has been focusing on losing weight the healthy way. The Weight Watchers spokeswoman says she focused on staying active throughout her second pregnancy, telling Us, “Do whatever you want to do, and then afterwards just know that you have to work really hard.”

Oscar-winning actress/singer Jennifer Hudson stunned with her amazing weight loss transformation – so how did she do it? The 34-year-old revealed it’s all about portion control for her, as well as staying active.

John Goodman has attributed his amazing weight loss to a change in eating habits. “I decided to stop stuffing food into my mouth every five minutes. Turns out I was just eating all the time,” he revealed in an interview.