Is Emma Corrin Wearing... an Apron?

"Oh, hello! Gosh, you're early. Um, I've just got to pop the casserole in the oven and take out the crab puffs, and then I'll be right with you. Can't wait to hear all about Tupperware."

[Photos: Dave Benett/WireImage, Gareth Cattermole, Kate Green, Wiktor Szymanowicz/Getty Images]