TV show: iCarly (2009-10)

Ok, Emily was in just a few episodes of iCarly, so it's a stretch to call her a "star"—she's no Amanda Bynes. But oh, goodness did this 20-year-old turn out gorgeous. A Taio Cruz video, a Carl's Jr. commercial, a bunch of naked pictures in Treats! magazine, and a Nickelodeon star is retroactively born.