Jennifer Lopez & Tom Cruise Dance At MTV Awards (PHOTOS, VIDEO)

06/06/2010 11:37 pm ET | Updated May 25, 2011

Tom Cruise, as his 'Tropic Thunder' character Les Grossman, busted a move with J.Lo at the MTV Movie Awards Sunday night to her old song 'Get Right.' His Grossman character opened the show.

Before Cruise & Lopez came out, Ed Helms sang as 'Hangover' costar Ken Jeong did a dance.

Cruise is promoting his upcoming 'Knight and Day,' which costars Cameron Diaz. He and Diaz also presented the final award. WATCH (Cruise comes out 2:00 in):

PHOTOS: