"Babe, you look like a confused puppy." Kate said with a short laugh, halfway tempted to follow Castle into the fitting room both to clear up his confusion and to mess with him a little bite more. Not to mention it'd actually by fun for her, too.
But Kate stayed in the store, extending her armful of clothes for Lucifer to hold while she went on a clothing hunt of her own for her husband. Casual dresser or not, she knew Rick could wear the hell out of a suit and while they were here Kate was going to find him a good one.