Smaug x Elsa: Let It Go

Based on the fanfic "Fire and Ice", by the supremely talented "DracoBrooklyn", with Smaug watching Elsa sing her song. The story of this, is that Elsa has just been brought to the Lonely Mountain by Smaug, and while wandering, she realizes that if she's here, she won't hurt anyone. To that extent, she lets it go. Smaug, not happy about being woken up again, goes to investigate, and witnesses Elsa singing, and building her palace. While watching her, Smaug truly realizes Elsa's beauty.