Olivia Culpo is the first Miss USA to win the Miss Universe crown since 1997 and the eighth American overall.Miss Philippines, Janine Tugonon, finished as first runner-up. Plus, pregnant pro beach volleyball player and pageant judge Kerri Walsh walks the red carpet; Donald Trump beams like a proud papa; and "The X Factor" marches toward finale with celebrity guests, including LeAnn Rimes and the cast of "Jersey Shore."