Brad Pitt's surprise on stage cameo at festival

Brad Pitt has made a surprise appearance on stage during musician Frank Ocean's set at FYF Fest in a touching piece of performance art that saw the singer serenade the actor.

During the performance, Brad sat on side of the stage with his back to Frank while holding a mobile phone to his ear.

The idea was to pretend that Frank was singing to Brad - while both of their responses were projected onto a massive screen behind them.

Brad's already made clear his love for Frank, telling GQ in an interview back in May that he's been listening to a lot of the soulful singer.

"I find this young man so special," he said. "Talk about getting to the raw truth. He's painfully honest. He's very, very special. I can't find a bad one [song]".

The actor made the comments while discussing his divorce with Angelina Jolie, which is still pending gievn their custody battle over their six kids.

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