One Direction ;) no, I'm kidding. Anything really. Something sweet and upbeat or slow and romantic. Bands like Queen and the Beatles are good. Or, you two can have a "special" song. Like you crazy when Gangnam Style goes on. :) Hope it's helps!
Two Is Better Than One by Boys Like Girls ft. Taylor Swift Wanted by Hunter Hayes I Run To You by Lady Antebellum When You Look Me In The Eyes by the Jonas Brothers Mine by Taylor Swift Boomerang by The Summer Set
There is a lot that goes into a good love song like the genre you both like for cou try there is plenty there really isn't that many rap songs but two people fell in love but you have to understand the true meaning of it. There is more I just cannot think of any other at this time.