80. Zooey Deschanel
Age (circa 2009): 29
Before she became a Complex cover girl, the L.A.-based actress known for her deadpan delivery and alluring eyes was already killing it in Hollywood with roles in classics like Almost Famous and Elf. We hear she also sings or something, but we won't hold that against her.
Besides gracing the cover of Complex, she was spot-on as Joseph Gordon-Levitt's cold-hearted love interest in (500) Days of Summer.