Rihanna dons sexy black dress and shades, while Justin Bieber goes for all white in performing at Victoria's Secret Fashion Show. Plus, Kristen Stewart sits down with Jimmy Fallon; Kim Cattrall sports wild hat for Crown Oaks Day at Flemington Racecourse; and Christina Hendricks, Elle Fanning and Alice Englert attend "Ginger and Rosa" screening during AFI Fest 2012.