T-Mobile celebrated the next generation of the iconic T-Mobile® Sidekick® with the national launch of the new Sidekick LX™. The star-studded celebration, attended by celebrities including Ashlee Simpson, Pete Wentz, Paris Hilton, Lauren Conrad and Pink, featured performances by Weezer and DJ-AM, who were joined on stage by blink-182 in a special impromptu performance for the recently reunited group.