Ariana Grande Surprises Fans While They Sing "One Last Time"

Also available on the NBC app

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.

Available until 06/01/18
Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Ariana Grande, surprises, fans, They Sing, One Last Time
S5 E1194 minHighlightTalk and InterviewLatenight