Kit Harington showed his mischievous / dementedly evil side while appearing on the Jonathan Ross show this week, sharing footage of a practical joke he played on fiancé Rose Leslie (aka Ygritte from Game of Thrones).

In short: he left a severed replica of his own head in the fridge for her to discover. Her reaction? Well, watch for yourself:

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"It turns out, now you've seen that, that she's not a big, like my family does April Fool's, her family doesn't do April Fool's," explained Kit.

"After that she was in tears. It didn't go down well. She pretty much told me if I did it ever again that would be it, and I think that's marriage included."

Not something you can really imagine Jon Snow doing, is it?

From: Esquire UK