Bryan also suggested to watch the movie "The Wedding Singer" with Adam Sandler.
More seriously, if you can sing a good range, a friend of mine walked down the aisle to Enya and it was absolutely gorgeous! You wouldn't think it would be, but when it got put together it was perfect!
I kept thinking about Disney movies for some reason...like "So This is Love" or something like that...but I'm kinda a dork. I love the Phil Collins songs on Tarzan!