Perez Hilton has admitted he regrets being so cruel to celebrities.The celebrity gossip blogger rose to fame in the early 00s with his website PerezHilton.com, featuring spiteful attacks on stars, using paparazzi shots with inappropriate doodles.Hilton, whose real name is Mario Lavandeira Jr has now published a memoir TMI: My Life in Scandal, in which he confesses: "I have a ton of regrets, particularly because I now see that I never needed to be so mean or cruel.“One of the many things I