Wear whatever makes you feel comfortable enough to dance the night away! The bride will be in sneakers or sandals!
If your invitation says "and Guest" then yes. If not, we would prefer just you.
Semi-formal - meaning women can wear a knee-length cocktail dress, a little black dress, a dressy skirt/slacks, a dressy jumpsuit. Men can wear a suit with a tie, or slacks with a button down.