Tonight, E! viewers will meet the new Girls Next Door , as Crystal Harris , Karissa Shannon and Kristina Shannon officially replaced Holly, Bridget and Kendra as Hugh Hefner's leading ladies. Asked about the woman that's replaced her atop the Playboy Mansion girlfriend train, Madison said in a recent interview that Harris is her "clone," a description the busty blonde takes exception to. “That is flattering because I wouldn’t compare myself saying that someone looks like me,” Crystal said