pWhat do you do when you look strikingly like a celebrity? For Matt Katzenbacha, who is a dead ringer for Bradley Cooper, the answer is obvious: attend the Sundance Film Festival and use your looks to get into exclusive bars and parties. A video uploaded to YouTube on January 29 shows Katzenbach doing just this.ppTaking guidance from a Vanity Fair article about hima that offers tips for impersonating Cooper, the video shows Katzenbach posing for photos with fans of the actor, casually dropping names of Cooper’s co-stars in conversation, DJing while dressed up in a chef’s uniform from Cooper’s film Burnt, and getting propositioned by a starstruck woman.