Ben Stiller And Robert Downey Jr. Have A 'Tropic Thunder' Meltdown

Ben Stiller, Jack Black and Robert Downey Jr. sat down for a simple promo meeting for their upcoming action comedy "Tropic Thunder" — and then it all fell apart in a moment of pure hilarity. Find out why in the Movie Awards short below.

The MTV Movie Awards will air live on MTV on Sunday at 8 p.m. ET, with MTV News' "Coming Attractions" preshow kicking the evening off at 7:30 p.m. ET! Meanwhile, stay tuned to the MTV Movies Blog and MovieAwards.MTV.com.