VIDEO: Tom Cruise, J-Lo open MTV Movie Awards

After a series of MTV Movie Awards promos, Tom Cruise brought back "Tropic Thunder" character Les Grossman during Sunday night's MTV Movie Awards in Los Angeles.

Following a hilarious introductory perf from "The Hangover" thesps Ed Helms and Ken Jeong, Cruise danced as the egomaniacal studio topper ("Where's my Diet Coke!?") before being joined onstage by Jennifer Lopez for a ditty that was...well...not that bad.

Check it out below.