Jon Snow may know nothing, but Kit Harington knows a little something about imitating his character's former wildling lover.

During her time on the show, the no-nonsense character, Ygritte (played by Harington's girlfriend, Rose Leslie), became known for the line, "You know nothing, Jon Snow." Leslie made it so famous, in fact, that when Geri Halliwell met Harington at the Italian Grand Prix in Monza on Sunday, the former Spice Girl just had to practice her impression with the actor's help. Fortunately, they got it on video, and Halliwell later shared it on Instagram.

It made for a very entertaining encounter. Harington was a good sport and took his acting coach duties seriously. He gave Halliwell solid and honest feedback, telling her when she nailed the impression and then when she lost it, as you'll see below.

#youknownothingjonsnow #gameofthrones #kitharrington #monza ☺️

A post shared by Geri Horner (@therealgerihalliwell) on

The lesson wasn't exactly a success for Halliwell, but at least Harington got to spice up his life.

[via: Geri Halliwell/Instagram; h/t: Us Weekly]