Jay-Z caused quite a stir this weekend to top off his eight-show stint (Oct. 6) at the newly opened Barclays Center in Brooklyn, N.Y. Before the final performance on Saturday evening, the Reasonable Doubt creator rode the subway to Barclays, an event that of course caused crowds and mayhem. Watch footage of that craziness over at Rap Radar.

That wasn't the only surprise that Hov had in store for fans. After announcing that he'd live-stream the final concert and release an eight-song EP from the event, the "Empire State of Mind" rapper brought out a special guest for his last show.

What could possibly top seeing Jay-Z live at a Brooklyn stadium he helped establish? Seeing him perform with his superstar wife Beyonce, of course. Bey joined her husband onstage to an ecstatic crowd.

Although she's now a mother, the "Run the World (Girls)" singer looked more fierce than ever, performing "Diva" along with "Crazy in Love" and joining her husband on his The Blueprint 3 ballad "Young Forever." Jay also gave his wife a playful smack on the butt during their "Crazy in Love" collaboration at the 4:58-mark in the video below.

But watching the mother of his child perform distracted Jay-Z to no end. He missed his cue to come in for his rap on "Crazy in Love," which he sheepishly admitted later. "Oh shit, I should probably rap here," he explained of the mistake.

Clearly, Jay and Bey are just as crazy in love now as they've ever been.

Watch Jay-Z Spank Beyonce and Perform "Diva" & "Crazy in Love"

See Photos From Jay-Z's 40/40 Club Launching Brooklyn


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