Hollywood star George Clooney, famous as a parankster among his colleagues, is planning to pull a fast one on his good friend Brad Pitt and he calls the prank his most daring yet. Pitt is one of Clooney's favourite targets. The 54-year-old "Gravity" star even said he thinks he could get arrested for the next prank. "I'm doing one now that I can't tell you about, but in a year you are going to hear I've been arrested – I'm not kidding, because I think I've crossed the line," he told Graham Norton in an interview. "But I have a wife, she's a barrister, I'll be fine!'," the actor quipped.