I'm a girl and I like a girl

I've been an in the closet bisexual for a few years and this girl I know just came out the thing is iv had the hudgest crush on her forever she's so perfect! She's in my biology class and I've only talked to her a few times , yesterday she told me I had really pretty hair but she's literally the coolest girl in school , I don't know what to do before I knew she was bi just wanted to be friends with her but now I want something more what should I say to her? I mean I just don't wanna be like hey I like you.. Please help!

you should be her friend and work your way up from there

forget about it .just told her to be friends .best friends.ok I am sure that's the raight disigen