my kids aren't fans of shoes {they get that from me
} and if we are home or in the car, they do not have shoes on! and Peyton loves to wear his cheap little walmart rain boots! I tell you the best thing I ever bought my kids were crocs...I know they are expensive but the 2 little ones ♥ them and know how to put them on so it kinda gives them some independence too...and they have LOTS of really cute Crocs for girls....so maybe that is an idea...good luck! but I say if it is nice weather wise and the wedding is outside without any chance of her getting stung by a bee, let her go barefoot with cute little painted toes
ETA: here are my nieces and my DD at my SIL's wedding last summer! they were barefooted ALL DAY