Who Wore It Best: Cassie or Leighton?

1. Who Wore It Best: Cassie or Leighton?

Cassie Ventura—who’s strictly on a one-name basis with her fans—paired a white, body-hugging Pencey dress with gladiator pumps for Madison Square Garden’s “NYC Sound Tracks” party. Seems the Bad Boy songstress was unfazed by the fact that Gossip Girl actress Leighton Meester wore the same dress in olive to a movie premiere in April. Vote on the more stylish starlet!