Have you booked any activities on-board? I've booked a couple of visits to the bibbity bobbity boutique for my little princess (make up and hair only, prices for packages are quite something!!), one on the Frozen night and one for Pirate night. Now I'm working on our pirate costumes
I just booked a character breakfast, and the frozen and princesses meet and greets, they appeared online, under onboard fun (on the sea days). You should check in case you also have that option!!