Umm..,. I like a guy but he is dating my friend but he is soo hot and sits next tew me wat should i do?

ummmm we sit together for a dance cl and he is like sooo hot his name i cant say okay.. But i rweally really likee him i just cant resist myself last time my friend caught us flirting but she sat in the middkle of us he touched my hip we are dance partners she knows i like him but she doesnt like khim but is dating him i love him wat should i do