Girl Attention???

Im in the 8th grade and theres this girl named natasha and I have knew her since 4th grade and we have no cles together and she is beautiful and nice I talk to her on myspace accosinally and we used to talk but not so much she has a bf and shes real preppy wile im skater and idk how do I get her attention I only have lunch with her and I dont want to embar her PLEASE HELP???