5 celebrities who went under the knife to lose weight: from Sharon and Kelly Osbourne to actress Gabourey Sidibe and Rosie O’Donnell, these women decided to change their lives with surgery

• Sharon Osbourne says she regretted having gastric band surgery and later reversed the operation, while daughter Kelly says it was the best thing she ever did
• Meanwhile, Precious and American Horror Story star Gabourey Sidibe underwent surgery after being diagnosed with type 2 diabetes