Singer and actress went back to 'Hannah Montana' roots on 'Tonight Show'
Singer also played Best Friend Challenge with 'Tonight Show' host
'Tonight Show' writer A.D. Miles plays beloved character, slams kids for ditching her in the Upside Down
Child stars of Netflix's summer hit series sprayed each other with silly string
"I expected that he would go, but when it happens, it's still tremendous. It's a big shock," comedy legend said of late actor on 'Fallon'
Pair perform rare, horse-heavy version as Tom Petty, Jeff Lynne on "First Drafts of Rock"
'Sausage Party' star recruits the Roots to assist him on "Mellow My Man"
Pair revive "First Textual Experience" bit based on comedian's book 'Modern Romance'
'Tonight Show' boss will helm awards show following stints from Ricky Gervais, Tina Fey, Amy Poehler
Actor recalls taking his family to see the Purple One in London and meeting him backstage
Grammy-winning singer flipped hair over her head for the full Sia experience
"[Melania] stole the show – literally," said Jimmy Fallon, impersonating Republican presidential nominee
Australian singer recently re-released single with a new verse from Alessia Cara
Singer and late-night host lip-synced to "Into You" while testing out various filters
Duo united on 'Tonight Show' for hopeful "Love Make the World Go Round," dedicated to victims of Pulse shooting