HELP

Ok well its my pasrty in 2 days... I sent out the invites last week, i didnt put a theme on them so i could allow me to change my mind if i wanted to.. I am turning 15, its an all girls sleepover, and i need some games/ ideas to do. Me asnd my friends are into games like murder in the dark, spotlight tiggy, etc, were not really mature and therefore we would prefer party games to just music and chatting. Im a harry potter fan... HUgely.. If this hewlps anyone wiht any game ideas for me.. Not lame games... More like SPotlighjt tiggy, playing outside games.. That stuff... PLEASE reply.. =]