If everyone was busy breaking up the last few weeks, this week, it seems celebrities have turned to a less traumatic pastime: Everyone’s been showing off their newly-chopped hair. And by “everyone,” I mean Entourage‘s Adrian Grenier and Heroes‘ Hayden Panettiere. A wise man once said that those who cannot remember the past are condemned to repeat it. So I would urge those who are also considering a drastic new ‘do to remember the original cautionary tale of a star who lost her locks and paid a price for it. One word: Felicity.