As if we needed another reason to see the Beyoncé in concert.

Bey’s Mrs. Carter Tour is well underway and made a stop at Brooklyn’s Barclarys Center – you know, the place that her husband Jay Z practically built. While performing her latest single “Bow Down,” the audience was treated to a special surprise. Who do they see? Oh, look! It’s Jay Z!

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Jay Z has been keeping busy this summer with his "Suit & Tie" pal Justin Timberlake for their Legends of Summer tour, but that didn’t stop him from doing what he does best – surprising audiences.

We’re kinda loving how Beyoncé just sits down for Jay’s performance of “Tom Ford” – a.k.a the song we have yet to take off repeat. Letting him do this thing for crowd, he gives her a quick smooch, departs the stage and Bey picks off where “Bow Down” left off.

Folks, this is reason #8723 on why you should see Beyoncé in concert: you may get a surprise appearance from Jay Z, especially since this isn’t the first time he’s done this!

Who else would you love to see surprise Beyonce on stage?