Celebrity Katy Perry and Carly Rae Jepsen Light Up the Red Carpet and More! By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Published on June 27, 2012 @ 02:45PM Pin Share Tweet Email Photo: Kevin Winter/Getty Images The catchy hitmakers posed together at the Los Angeles premiere of Katy Perry: Part of Me and the kick off for the Pepsi/Billboard Summer Beats Concert Series. On seeing the ups and downs of the movie, Perry is all about focusing on the ups: "It’s not always nice to see myself looking awful, but sometimes you have to get through the curveballs in order to achieve your dreams," Katy Perry told reporters. The film opens July 5th. Click through the gallery to see Emma Stone, Selena Gomez and more stars at last night's hottest parties. —Leah Abrahams, with reporting by Brooke Mazurek and Lindzi Scharf