Go, go, gadget Hollywood! Aaron Paul, Olivia Munn, Odette Annable, Ashlee Simpson (in Haute Hippie), Anna Faris (in VPL), and Cat Deeley (in AllSaints) tested out Samsung's brand-new Galaxy S III device at a private launch party in Beverly Hills, where they were treated to a live performance by Alabama Shakes. "Party hopping!" Deeley tweeted from the event. Click through the gallery to see more stars at last night’s hottest parties.