ET hits the red carpet at the star-studded 9th annual Lupus LA's Orange Ball in Beverly Hills, where 'New Moon' cast member Justin Chon talked about supporting the cause -- and filming the 'Twilight' sequel. The event, hosted by "CSI: Miami" star Eva La Rue , featured a live auction and a special performance by Toni Braxton . Lupus LA and Lupus Research Institute (LRI) are partnering up to fundraise for new lupus research that aims to prevent, treat and cure lupus. Related stories: Stars Shine as Burberry Lights Up NYC Lionel and Nicole Richie, and Baby Harlow Appear on 'Larry King'