Father/Daughter Dance

I am getting married this summer and I am having a hard time finding a right song for my father and I to dance to. I never knew my father until two months ago. My grandfather that raised me is walking me down the aisle but I want to have a father/daughter dance with my father also. I didn`t know him for 24 years but we are getting close now. I want to pick out a song that lets him know how grateful I am to have him in my life now. If anyone knows of a good song, I would appreciate your help, thanks!!!