what should i do!?!?!?

ok so heres the story, i have been best friends with this girl since kindergarten, we were always inceperable until 6th grade, when she met this little biotch, that tore her away from me, but just recentley, we have been talking again and hanging out at schol, and we have a blast. we are almost constantly texting eachother, and laughing with eachother. we have a ton in common, and have the same intrests. bout there are two problems, number one is that she has recentle broken up with her boyfriend of 2 months. and she is georgous, and i am i guess good looking, well thats what i am told, but kinda overweight. oh and by the way we ar 15. what should i do. should i ask her out, or ask if she wants to hang a the mall. give me advice....... Please no rude comments!!!