Ariana Grande Surprises Fans While They Sing “One Last Time”

Ariana Grande surprises superfans while they think they’re filming a fan video covering her songs – not realizing she is in the other room listening. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon Get […]