Ariana Grande's "O Christmas Tree" Tonight Show Performance Just Kicked Off the Season

Ariana Grande, Ben Stiller, and Robert De Niro sang “O Christmas Tree” on The Tonight Show while promoting Focker-in-Law on Sunday, November 8. Watch it here.

NBC Insider NBC100 Ariana Grande's "O Christmas Tree" Tonight Show Performance Just Kicked Off the Season

The three stars of Focker-in-Law delivered plenty of holiday cheer during the special Sunday night episode.

By Chris Phelan Nov 9, 2026, 11:40 AM ETRobert De Niro, Ben Stiller and Ariana Grande Interrupt Jimmy's Monologue with Christmas CheerNow Playing1:37HighlightRobert De Niro, Ben Stiller and Ariana Grande Interrupt Jimmy's Monologue with Christmas Cheer9:21HighlightRobert De Niro, Ben Stiller and Ariana Grande Talk Focker In-Law and Intense Heimlich Maneuver Scene