What Brandon didn't know was that the pop icon herself was waiting in the shadows to meet him.

The result is an extremely shocked Brandon, who reads Gaga a letter he wrote for her, and the exchange between the two is super heartwarming, calm, and just genuinely adorable.

Gaga is visibly emotional from Brandon's letter and once she leaves, it's not long before she's back to give him more hugs and let him know how much he means to her.

Check it out below.

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