[The change of clothes, while making it obvious that something is going on, fails to alarm Constance - as far as she knows, the dress is lighter and more revealing than she'd normally wear... but it is pretty, and if this is what the world is doing, now, it's not that bad. Even the necklace doesn't raise any questions for her, so when she notices Aramis' note, she sets out to see him instead of responding directly...
... and walks straight into a kekkai outside the hotel.]