Party like it's 1989, Oneonta High School! Jimmy Fallon and Dwayne "The Rock" Johnson delivered a commencement speech for the 1989 class of Oneonta High on Thursday's episode of "The Tonight Show" on NBC.
Kristen Wiig stopped by 'The Tonight Show Starring Jimmy Fallon' and did an entire interview in the character of Daenerys Targaryen from 'Game of Thrones'!
Ariana Grande has one set of pipes, but the "One Last Time singer shows just how well she uses them when she impersonated Celine Dion on The Tonight Show Starring Jimmy Fallon last night (March 20).