Lily Allen just can't keep it together. Previously getting flack for saying that Madonna was overrated, and then just having a bad attitude in general, Allen has now cancelled the rest of her U.S. tour after a questionable performance at Roseland Ballroom in NYC. Lily was two hours late, got drunk, tripped on stage, and forgot the lyrics. The she told the crowd, "See, I told you I was going to mess up."

Though exhaustion ...