Jillian Michaels
It's hard to believe that Jillian Michaels, the trainer on 'Biggest Loser' and star of 'Losing It With Jillian' was ever overweight.

But Michaels has been open with her struggles as a kid, and talks to Redbook about her problems.

Of being 175 pounds when she was a teen, she says, "Oh, my God, it was pure hell. I spent all of eighth grade in my classroom because God forbid I ever left. I was terrorized. And karate saved my life. It all stopped the day I broke two boards with a kick." Read more about Jillian, her childhood and what she thinks the biggest misconception about her is >>>