The Child of Reckoning understood very well that she was being poked fun at, so she didn't bother responding. Many of her temporary 'sisters' begged to be allowed to do her makeup, but she refused all of them.
Ayame's statement earned her quite a colorful remark sent privately into her head. Something about her makeup making her look like a night companion for hire, and that the nobles will think Quinlan brought her as a gift to thank the king for the invitation.
Naturally, this earned Iris a colorful response of her own, and just like that, the two resumed their perpetual bickering.
