Queen Latifah in What Happens in Vegas (2008)

Ashton Kutcher in What Happens in Vegas (2008)

Rob Corddry in What Happens in Vegas (2008)

Cameron Diaz in What Happens in Vegas (2008)

Cameron Diaz and Ashton Kutcher in What Happens in Vegas (2008)

Ashton Kutcher and Rob Corddry in What Happens in Vegas (2008)

Cameron Diaz, Ashton Kutcher, Tom Vaughan, and Tom Vaughn in What Happens in Vegas (2008)

Lake Bell in What Happens in Vegas (2008)

Caroline with Ashton & Cameron on the set of "What Happens in Vegas."

Caroline on the set of "What Happens In Vegas" with Cameron Diaz.

Caroline on the set of "What Happens In Vegas" with Lake Bell.

Caroline on the set of "What Happens In Vegas" with Jason Sudeikis.