Kristen Stewart swept back her hair with her Valentino frock for the Welcome to the Rileys premiere, while The Voice judge, Christina Aguilera, wore her locks loose for a party in N.Y.C.
Olivia Palermo and Johannes Huebl attend The Cinema Society & Everlon Diamond Knot Collection's screening of "Welcome To The Rileys" on October 18, 2010 at the Tribeca Grand Hotel in New York City.