Better known as: Winnie Cooper of The Wonder Years
America's favorite girl-next-door (and every teenage boy's fantasy) is all grown up, and wait for it— a math genius! Now a successful non-fiction author encouraging girls to have confidence in their mathematics skills, Danica McKellar recently dropped nearly all of the 40 pounds she gained during pregnancy and is rockin' one killer bod.
To get her pre-baby body back, the 37-year-old brunette beauty exercised at home with light cardio and yoga while sticking to whole grains, fresh vegetables, and organically raised chicken. The smart star also stayed away from refined sugar, dairy, and gluten.