Cressida and Molly both came, though Cress was there for only an hour or so! She hugged Megan and gave her a picture of her with her future kids from Peter's 13th birthday! (she's been doing a lot of snooping...). It's in this frame.
Molly gave her a jumper that's charmed to keep the wearer the perfect temperature. If it's hot, it cools and vice versa!