By the time Casey Affleck's silly mockumentary about Joaquin Phoenix's fake rap career finally gets released, how played out will the joke be? Probably pretty played out! As funny as Ben Stiller's impression of the beardy emcee at the Oscars was, it wasn't even the best one of the weekend — that impressive honor goes to Frank Coraci, who co-presented the award for Best Documentary at Saturday's Independent Spirit Awards dressed as Joaquin, alongside "Christian Bale" (who was really Steve Coogan cursing while wearing a Batman costume). Click for video.

Just for the heck of it, here's Ben Stiller's impression: