. >> she called girls in the house, fatty and horseface.national tv. >> reporter: it's reality, folks. a reality when nice girls and guys finish last. where mean girls win. >> people like watching mean people. it's entertainment. it's pure entertainment. that's all. >> reporter: on soap opera, it was joan collins on "dynasty." >> if you've quite finished. >> i haven't. >> reporter: heather locklear on "melrose place." >> shut up. >> reporter: these days, madeleine stowe on "revenge." >> don't hurt my son, emily. you'll learn to regret it if you do. >> it's a perversely divine state to be in. >> reporter: is it fun? >> it's great fun. >> reporter: not only are mean girls fun to watch. when mean girls brawl -- "real housewives of new jersey" -- or on "the jersey shore," it's must-see tv. reality producers know that. ben's folly was so epic, fans autotuned it. >> i got the rose. >> likes to go topless. >> reporter: after he realized his mistake, she kind of apologized. >> i really should have watched myself for. i got a little sass in me. >> r