June 3, 2009 4:28 pm Celebs Walk the Red Carpet at “The Hangover” Premiere Bradley Cooper, Ed Helms and Heather Graham hit the red carpet in Hollywood where they all chat about how to cure a hangover and the buzz surrounding the movie. US & World Videos 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 2:05 Whoopi Goldberg reveals who will inherit her fortune