My personal trainer told me that I have to come over and talk to you for 3 minutes as part of my routine.
Excuse me, I am really attracted to you and according to Newton's Laws of Gravitation, you're attracted to me, too.
Well if I were a painter, I'd put you down in paint. I'd hang you by the Mona Lisa and put that girl to shame.
Speaking to guy/girl who's staring: You know, my mother always told me it was impolite to stare... So what do you say we dance?