Talk about a mega-watt cameo! Russell Crowe received some extra special support during his Indoor Garden Party concert at Joe’s Pub on December 8 from his Les Misérables co-star Hugh Jackman. The dashing Aussie duo shared the stage to tackle—what else?—the infamous head-to-head duet “The Confrontation,” which is the mark of any good Valjean-Javert rivalry. So how did Jackman and Crowe fare? Watch the clip below to find out, and see them tackle the song on the big screen in movie theaters on December 25!