Actress Jennifer Lawrence, winner of Outstanding Performance by a... News Photo19th Screen Actors Guild Awards,Actress,Adult,Adults Only,Arts Culture and Entertainment,Award,Awards Ceremony,Best Leading Actress,Blonde Hair,Blue,Blue Dress,California,Celebrities,Chopard,Christian Dior - Designer Label,Christian Dior Dress,City Of Los Angeles,Diamond - Gemstone,Diamond Necklace,Dress,Evening Gown,Floor Length,Formal,Full Length,Jennifer Lawrence,Long Dress,Mermaid Dress,Navy Blue,Necklace,One Person,One Woman Only,Pendant,People,Portrait,Press Room,Radio,Screen Actors Guild,Screen Actors Guild Awards,Shrine Auditorium,Side Parting,Silver Linings Playbook,Smiling,Strapless,Strapless Dress,Strapless Evening Gown,Train - Clothing Embellishment,USA,Vertical,Wavy Hair,Winning,Y NecklacePhotographer Collection: WireImage 2013 Dan MacMedanLOS ANGELES, CA - JANUARY 27: Actress Jennifer Lawrence, winner of Outstanding Performance by a Female Actor in a Leading Role for 'Silver Linings Playbook,' poses in the press room at the 19th Annual Screen Actors Guild Awards at the Shrine Auditorium on January 27, 2013 in Los Angeles, California. (Photo by Dan MacMedan/WireImage)