Who Is Behind Day 13 Of Today's YouTube Advent Calendar?

13 December 2015, 07:00 | Updated: 17 July 2017, 12:12

We the Unicorns

By Hollie-Anne Brooks

We know something you don't know... Like who is behind today's advent calendar. But don't cry into your Lucky Charms, just click the Santa to flip and reveal.

Happy Holly-Days!