This is a whole new world of amazing and I cannot stop smiling!
Kristen Bell dropped by The Tonight Show Starring Jimmy Fallon and they did a whole 5 minutes of singing Disney songs from the very beginning of time, like "When You Wish Upon A Star," all the way to Frozen's "Let It Go."
Kristen Bell was there promoting Frozen 2, ya know, because she plays Princess Anna in the movie.
Frozen 2 is releasing Friday, November 22.