This is quite possibly the most satisfying YouTube prank of all time.

Infamous YouTube prankster Roman Atwood decided to pull one of his "classic" nasty pranks on his longtime girlfriend Britney — while the two were on an anniversary trip to Aruba, no less — by telling her he cheated on her with another girl.

Hilarious, right?

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Well, little did Atwood know things were about to get actually hilarious.

"I cheated on you, too," Britney tells Atwood through tears, as the latter proceeds to flip the fuck out.

Long story short: Everyone in this video is a keeper.

[H/T: Guyism]