Yesterday was the first anniversary of Jimmy Fallon's first episode hosting his late-night show. As part of the festivities (kind of), Fallon had Taylor Swift on to talk about her penchant for dancing at live events. Naturally the duo then did their own dancing via Jumbotrons. Obviously the highlights here are the real Jumbotron clips, but T-Swift has some solid moves, too.
Unrelated, but this also happened and is important: