The Tonight Show: 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.

• 2018-05-03T15:53:53+00:00
• Duration: 04:12

• ArianaGrande
• Celebs
• Celebrities
• JimmyFallon
• TheTonightShow

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