US actor Kristen Bell arrives for the premiere of the film ' Baby Mama ' in New York , New York , USA , on 23 April 2008 . Today is the opening night of the Tribeca Film Festival , which runs until 4 May 2008 . EPA / JUSTIN LANE < 저작권자 ⓒ 2007 연 합 뉴 스 . 무단 전재 - 재 배포 금지 . >