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InStyle Honors Jason Wu: Inside the Party!

Emma Roberts and Olivia Munn

Roberts and Munn greeted each other with a hug when they arrived, and went on to dish about their lovely Wu-designed outfits. "It felt so lovely when I put it on," Munn said of her vermilion keyhole dress. And Roberts had a similar reaction with her embroidered strapless look: "I felt it was very old Hollywood cocktail attire," she said. "I haven't been super dressed up in a while, so why not?!"