I was in the same boat...The relationship I have with my father is not the best...it's not bad, it's just one of those special occasion phone call type of relationships! I woudl have been quite content with just my mom walking me down the aisle, but because there were no ifs, ands or buts about him coming to the wedding I decided to include him out of obligation. I didn't want to hurt his feelings by just having my mom at my side (they are split fyi!) But if you want to just walk alone I say do it! Or if you think it will cause that much stress...on both of you...then maybe have him walk you half way, then continue the rest of the way by yourself. Whatever you decide, make sure it is what you want. People will just have to deal with your decision...it's YOUR day afterall!