Entertainment Pictures of the Week - 2011, November 24

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Singer Katy Perry poses at the 2011 American Music Awards held at... News Photo2011 American Music Awards,3-D Glasses,Adult,Adults Only,American Music Awards,Arts Culture and Entertainment,Bestof,California,Celebrities,City Of Los Angeles,Drop Earring,Headshot,Katy Perry,Looking At Camera,Microsoft Theater,Music,One Person,One Woman Only,People,Pink Hair,Pink Lipstick,Portrait,Singer,Topics,Topix,USA,Up Do,VerticalPhotographer Collection: Getty Images Entertainment 2011 Getty ImagesLOS ANGELES, CA - NOVEMBER 20: Singer Katy Perry poses at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Christopher Polk/AMA2011/Getty Images for AMA)