Lindsay did it on Twitter, Paris did it in a book, and Taylor Swift did it in on national television. Talking about your ex is like breakup rehab—and it’ll save you a ton on therapy bills. In this new Gossip Girl Blog feature, we’ll take a look at some of the nastiest breakups in celeb history. And you might even be inspired to head over to the Ex Wall and post about your own ex! Remember girls—revenge is sweeter than he ever was.

Got an Ex-mare of your own? Post it on the Ex Wall for a chance to win prizes.