Nicole Richie and Joel Madden enjoy a celebrity chef crab boil for charity; Victoria Justice, Carmen Electra, and more step out for the Voice On Point Musical Gala; Orlando Jones and Kate Beckinsale hit a special cemetery screening of "Sleepy Hollow"; Charlie Hunnam, Katey Sagal, Ron Perlman, and costars celebrate the Season 6 premiere of "Sons Of Anarchy"; Sean 'Diddy' Combs hosts the season premiere of HBO's "Boardwalk Empire"; Brian Austin Green and Catt Sadler join guests at Generosity Water's annual fundraiser—catch up on L.A.'s top weekend events in this edition of Last Night's Parties.