Watch a Slightly Testy Jimmy Fallon Get Mad at Ariana Grande in This Lip-Sync Convo, Hope They Still Make Sandcastles This Weekend

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Sure, this chat about going to the beach is more of a collaboration than The Tonight Show's normal lip-sync bouts, but things still get kind of fierce. Using snippets from Frank Sinatra, Rihanna, Justin Bieber, and Sia songs, Jimmy Fallon also snaps at Ariana Grande, apologizes, and then threatens to swing from Home Depot's chandeliers. For the sake of the sandcastles, please send him light and pray for no injuries.