no.but she used to sleep with robert pattison.(more than once.)but he stopped sleeping with nikki because he really love's kristen.but he cant have thats the prob.because she already taken.so know nikki/rob will see each other on the set of new moon,yell at each other,then storm away.but also people say she's trying to dress/act like kristen to get rob back.but thats probably a rumor.