In Jimmy Fallon's office before the show, Christina Aguilera, Jimmy, and The Roots grabbed some office supplies and used them as instruments to perform Christina Aguilera's new song 'Your Body.' Check out the instrument list:

Christina Aguilera - vocals, stapler
Jimmy Fallon - iPhone keypad
Questlove - coffee pots with pencil drumsticks
Tuba Gooding Jr. - Scotch tape
Frank Knuckles - Poland Spring water cooler jug
Captain Kirk - tissue box & elastic band guitar
James Poyser - spiral notebook (a.k.a. the "tear snare")
Mark Kelley - keyboard washboard
Black Thought - paper clip shaker
Kamal Gray - scissors