Nah... they're just modeling your future wardrobe!
OR......showing how you possibly might look like, someday (at least that would be NY dream). ;-D
Depends how you used act around them, they might put two and two together and figured it out.
Mistress probably told them so they can remind you of what you are not getting and how you will soon dress
love the skirts. especially pic #2grey and blue...