‘Natalie’ Promotes Whose Visit To ‘The Tonight Show’?

A few years ago, Katy Perry filmed a video of her alter-ego, 'Kathy,' in a video for her song 'Last Friday Night.' Now, it appears a certain country superstar has taken a cue from Ms. Perry and filmed a video of herself as 'Natalie' that appears to be a veiled promo for the singer's appearance on Jimmy Fallon's show later this week.  Gee, who could it be?