May 1: Cameron Diaz arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Cameron Diaz arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Cameron Diaz, left, greets fellow cast member Lake Bell at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: From left, castmembers Lake Bell, Cameron Diaz, Ashton Kutcher, and Rob Corddry pose at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: From left, castmembers Lake Bell, Ashton Kutcher, Cameron Diaz, and Rob Corddry pose at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Cast members Ashton Kutcher, center, Cameron Diaz, right, and Lake Bell pose together at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Fans cheer for Cameron Diaz at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Cameron Diaz speaks to the media at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Ashton Kutcher, right, and Cameron Diaz arrive for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Ashton Kutcher, right, and Cameron Diaz arrive for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Ashton Kutcher, right, gestures to fans as Cameron Diaz looks on at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Ashton Kutcher, right, and Cameron Diaz speak to fans at the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Ashton Kutcher arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Ashton Kutcher, right, and Cameron Diaz arrive for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Bai Ling arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Vince Vaughn arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Vince Vaughn arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Diablo Cody arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Eva Longoria arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Rob Corddry arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Lake Bell arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Lake Bell arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Brooke Burns arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Brooke Burns arrives for the premiere of "What Happens in Vegas" in Los Angeles.
AP
May 1: Dennis Farina arrives for the premiere of "What Happens in Vegas" in Los Angeles.
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