Here is a list of wedding songs that you could play for your wedding. I listened to them all on youtube and have pasted the address for your hearing pleasure:

Crazy Little thing called love - Michael Bubble
http://www.youtube.com/watch?v=k-xrlONMEpM&feature=related
 
Stuck on you - Lionel Ritchie
http://www.youtube.com/watch?v=G392kLoGyaU
 
Your song - Elton John
http://www.youtube.com/watch?v=13GD78Bmo8s
 
It had to be you - Harry Connick
http://www.youtube.com/watch?v=ToiL_ryumBY
 
Can’t take my eyes off you - Andy Williams
http://www.youtube.com/watch?v=kWtLK7XP-Bk
 
Golden Touch - Razor Light
http://www.youtube.com/watch?v=AdA5IcjWcIs
 
Straighten Up and Fly Right - Robin Williams
http://www.youtube.com/watch?v=u1f-7ejxEGE&feature=related
 
Everlasting love - Jaime Cullum
http://www.youtube.com/watch?v=ITLs4umWEFw
 
Something Stupid - Robbie Williams and Nicole Kidman
http://www.youtube.com/watch?v=1BdiAQmEaf0
 
Build me up Buttercup - yes the one …