Lannisters And Starks Unite For A 'Game Of Thrones' Ice Bucket Challenge

When you play the Game of ALS Challenge, you win or get ice dumped on your head.

Winter hasn't exactly shown up on "Game of Thrones" yet -- which is insane, because the Starks literally will not stop talking about it -- but this year, the frigid cold certainly came early for Lena Headey, Kit Harrington, and Nikolaj Coster-Waldau.

In a rare showing of Stark-Lannister solidarity, Cersei, Jon Snow, and Jaime adorably took on the ALS Ice Bucket Challenge together, one by one. Headey was nominated by Oberyn Martell (Pedro Pascal), so it's great to know that the Prince of Dorne was finally able to get his revenge on the Lannisters from beyond the grave:

So. Cute.

Oh, and for those of you who were wondering -- yes, the walking pile of badass that is Arya Stark (err, Maisie Williams) already took the challenge: