Wynonna: The bride-to-be is vegan.
Nicole: Yes.
Wynonna: Buttercream is not vegan.
Nicole: Nope.
Wynonna: Ergo, Waverly can't eat her own wedding cake!
Nicole: Meh. What if we just didn't tell her?
Wynonna: This isn't a secret wife, Nicole. This is the matrimonial icing!