Jimmy Fallon invited Adele Dazeem to sing "Let It Go" with the Roots on the Tonight Show, but that was not the end of the goodness. He also hosted his old pal, Tina Fey on the show. What they did next was a bit weird, but really cool.

The Lip Flip! Imagine if you had someone else's lips. It would definitely look odd. As evident by the video below:



Here's another video of Tina Fey impersonating her daughter: