Ellen DeGeneres & Jimmy Fallon, Reese Witherspoon, Steve Carell: 'Booty Call', Dance Off, Surprise Audience With Prize: Most Fun 'Tonight Show' Ever? [VIDEO]

Ellen DeGeneres is a prankster. The Ellen daytime talk host surprised affable Tonight Show host Jimmy Fallon in pretty epic fashion on her show, and finally revealed it last night. The beloved DeGeneres also surprised the Tonight Show audience with a very special surprise gift, and engaged Fallon in a dance off as the two complimentary hosts spent a long time complimenting each other. Later she'd join Steve Carrell, Reece Witherspoon and Fallon in a game of 'Password.' Watch the videos below. Read More »