Pratt sets the pace at the Brickyard 400 in Indianapolis. Plus: Olivia Wilde, Ian Somerhalder & more!

MOVING ON

Derek and sister Julianne Hough dance the night away for the final stop of their Move Live on Tour, which touched down in Los Angeles on Saturday. "Thank you to everyone who came to see the show... You are the ones that motivate and inspire us to create and MOVE!" Julianne wrote post-performance.