My daughter is 12. She loves graphic tees, Doctor Who, animae, jeans, boots, Converse, misatched socks, peace signs, hats, headbands and feathers. My daughter is a swimmer so not overly girly.
My son is 16 and so is his girlfriend, she is a gymnist and totally girly, In fact the other night she was talking about her teammates and she said "We love glitter!" lol Make-up, also likes headbands, make-up, knee high socks, ladybugs and hearts.
Hope that helps. I can get more input at swim practice tonight if you need it.