Jay-Z wrapped up his tour and a string of eight shows at Brooklyn's Barclays Center on Saturday, but not without bringing out a verrrrry special guest first -- his wife Beyonce!

The proud mama took a break from diaper duty to perform her hits Diva and Crazy In Love. Her performance was so mesmerizing, in fact, that Jay almost forgot to join her on stage for his verse in Crazy in Love. "Oh, s---, I should probably rap here," he said, after Bey covered for him and started the rap.

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The chemsitry between these two lovebird was undeniable as they performed together on stage, and as if one song wasn't enough to get the crowd going, Beyonce came back out for Jay's finale performance of Young Forever, as well. Talk about a lucky crowd!

Now that his tour is over, what do you think Jay & Bey are up to next?!