
Ben Stiller, Jack Black and Robert Downey Jr., stars of the upcoming DreamWorks Pictures’ “Tropic Thunder,” performed as a modern version of “The Pips” to back-up legendary R&B artist, Gladys Knight (circa 1973) while she performed her classic hit, “Midnight Train to Georgia” on the season finale of “American Idol.”
Black, Downey and Stiller play actors shooting a war movie who get caught up in a real battle. "Tropic Thunder," which opens on Friday, August 15,has been rated R for pervasive language including sexual references, violent content and drug material.