In a slinky beige dress, Jennifer Lopez steps out in N.Y.C. Plus: Channing Tatum, Justin & Jessica, Rihanna, Lindsay Lohan and more

HOSTS WITH THE MOST

They sure know how to throw a party! Matthew McConaughey and Camila Alves stick together at a bash – sponsored by the actor's j.k. livin foundation – celebrating the opening of the alice + oliva store in the Malibu Lumber Yard, an eco-friendly shopping center, on Tuesday.