Fashion Faceoff

Alexa Chung and Jena Malone wear the same Valentino gown (with slightly different undergarments). Plus, two denim showdowns and more star matchups that need your vote

JENNY VS. SHAILENE

The 41-year-old TV host brings a glam vibe to this low-cut Stella McCartney design thanks to her old Hollywood curls and massive danglers. The 22-year-old actress takes a more laid-back (and youthful) approach with a trendy serpent arm band and side-swept pixie.