Kelly has dropped 50 pounds over the past three years, hitting her highest weight of 160 in 2007. But the gorgeous starlet, who now weighs 112 pounds, admits it wasn’t just crash diets that kept the weight off!

Kelly Osbourne has a lot to be happy for, but one is definitely her newly-svelte body! The world began to take notice of the 25-year-old’s dramatic weight loss when she appeared on Dancing with the Stars in 2009.

Click to read how Kelly has kept the weight off!