Fallon donning a gray beard and sunglasses sat in the audience and interrupted the host with a series of hilarious questions.
Last Thursday saw the country star, 31, abruptly ending her show in Buffalo, New York, hitting the brakes on her performance after just five songs.
From The Lonely Island's Digital Shorts to Lisa from Temecula, IndieWire picks the 50 best 'Saturday Night Live' sketches of the 21st Century.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback