Ask her where she wants to go to
Go back to whoever 'forgot' and ask them to make it right.
ask her!
ask her to go out with u
ask her
ask to go out with them
Ask her out
You ask her out.
ask to go out with them
Just go up and ask her out
Get her by herself and ask her. :)
go to her and ask her nicely that would she like to go to prom with you?
Walk up to whoever you needed to ask out a girl and ask them - 'out a girl?((((dont listen to that)))) just get the courage to go up to your dream girl and aask her. otherwise get a friend to do it for you