Does she like me?[ Read details, please(: ]?

It's hard to tell, especially since you said she is your best friend, so she could just be acting friendly. But of she really is starting to act differently and flirty, then she could like you, unless you're thinking too much about it. You should talk to her again about having a crush on her, and see what she says. But don't make it heavy, maybe joke about it first and see what she does. Or try acting flirty towards her. But be careful not to make it awkward just in case she is just being friendly, since she said she is straight.