My friend is dating a guy everyone including me hates?!?!?

THIS IS BAD!!! hes a total dork and his face is all pimply, hes weird and stuck-up becuz his dad is rich, and everyone hates him!! and suddenly my friend started talkin to him at a VT game and they went on a date to the movies! im so mad and she doesnt even see that people cant stand her "boyfriend"!!! something like this happened to me before so i dont want her to get hurt, i dont want her to waste her time! what do i do?!?