Ryan Seacrest
When he was 13, the American Idol host -- who grew up and went to school in Dunwoody, Georgia -- tipped the scales at 180 pounds. "I wore braces and glasses and was fat and got teased about it," the KIIS-FM DJ once said.
George Clooney
In 1976, Clooney began his freshman year at Augusta High School in Augusta, Kentucky. He played baseball and basketball as a teen, and even tried out for the Cincinatti Reds in 1977. Unfortunately, he didn't pass the first round of cuts and was not offered a contraract.