KATY PERRY AMONG GUESTS AT GIVELOVE CHARITY EVENT

Guests including Katy Perry, Paris and Nicky Hilton, and David Arquette attended the GiveLove charity event on Friday night at the grand opening weekend of 1 OAK Las Vegas (Mirage Hotel). J.Molinari jewelry designers Markus Molinari and Jason Arasheben co-hosted the event with Perry. It is Perry's first red carpet appearance since the news of her divorce from comedian Russell Brand, and she is pictured with Molinari. The event also included sightings of Patricia Arquette, Balthazar Getty, Scott Disick, Chris Evans,Christina Milian, Shenae Grimes and Michelle Trachtenberg. GiveLove is a charitable organization providing temporary housing solutions for those in Haiti. (Photos courtesy of Scott Harrison.)