Jay-Z and Beyonce, top Forbes Magazine's 'World's Highest Paid Celebrity Couples' list 2012, earning $78 million, (Photo by Larry Busacca/Getty Images)

Pop star Beyoncé may be joining her famous husband, rapper Jay-Z, onstage during his monster “Made in America” festival being held this over Labor Day weekend in Philadelphia. The Huffington Post reports:

Philadelphia is getting ready to host an estimated 100,000 fans who will be attending Jay-Z’s “Made In Americamusic festival over Labor Day weekend. But that number could get even bigger when word gets out that Beyonce is planning to perform as well.

“Beyonce will hit the stage in a surprise performance at her hubby’s festival next weekend in [Pennsylvania],” one insider told me.

“The performance is top secret but it will be filmed for Jay’s documentary about the event. It’s going to be epic.”

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