The context of the following conversation is Aubrey put in a lot of work to their costume so they could win a contest.:
Aubrey says I really think his costume is going to win me the contest.
The friend responds It really does look amazing I'm very hopeful that you will win.
Aubrey responds Thank you I put in a lot of time and effort into it.
The friend responds I understand I think it will pay off for you.
Aubrey responds Me too it would mean a lot to me to win.
The friend responds I have my fingers crossed for you.