You’ve known each other for a long time and you’re already friends, so it probably won’t feel that awkward anymore if you confess your feelings to her. You really need to get out of the friendzone because if you don’t, nothing will ever happen with your feelings for her.
Especially if there are a lot of guys who like her, you need to step up and take your chance. Whatever the result may be, at least you tried—and you won’t have any regrets.