Star Jones pictured below went through a major stage of denying she had a gastric bypass operation while dropping weight faster then Usain Bolt runs. Possibly as she finally realized that no one believed her denials; she admitted to the operation in a 2007 interview with Glamour magazine.
image via Top Socialite
Other celebs who have reportedly had the surgery include Roseanne Barr, Randy Jackson, Diego Maradona, Sharon Osbourne, John Popper, Anne Rice, Al Roker, Charlie Weis and all joined by politicians Rep. J. D. Hayworth (R-AZ) and Rep. Jerrold Nadler (D-NY).