Kourtney Kardashian arrives at Cosmopolitan magazine's 50th birthday celebration at Ysabel. (AP)
Kim Kardashian arrives at Cosmopolitan magazine's 50th birthday celebration at Ysabel. (AP)
Khloe Kardashian (AP)
Khloe Kardashian, Kourtney Kardashian, Kim Kardashian, Kris Jenner and Kylie Jenner arrive at Cosmopolitan magazine's 50th birthday celebration. (AP)
Kourtney Kardashian, Kim Kardashian, Kris Jenner (AP)
Editor in Chief of Cosmopolitan Joanna Coles and Kris Jenner (AFP/Getty)
Chris Hardwick and Lydia Hearst (AFP/Getty)
Sarah Hyland (AFP/Getty)
Julianne Hough (AFP/Getty)
Leona Lewis (AP)
Amanda Righetti (AP)
Cody Simpson (AP)
Anne Winters (AP)