Best for what? Bank accounts all do the same IMO, if however you earn half decent money & have a mortage(or will have one) then get a One Account, all your money offsets the mortgage.
Oh, & have a nice wedding day!! If you have an evening do planned get them to make you up a plate of food-you will be too busy getting pissed & having a laugh to worry about food but once all your guests have gone home you will be hungry