For 11 seasons, 7th Heaven gave us feel-good television the whole family could enjoy. The Camden family gave us entertainment week after week, and you can probably remember each storyline vividly. But what you may not remember is the number of rising stars who had guest appearances on the show. 1. UsherFame10In 2002, Usher was already a Grammy Award-winning artist. But no one is too important to appear on 7th Heaven. The music star played a radio DJ named Will in the season 7 episode, "A Cry For Help."2. Aaron CarterThe WBLook, it's everyone's embarrassing crush from their teen