Jay Z's Made in America concert series in Philly just got a big boost from his wife...
From Huffington Post
"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."The Made in America line up includes
What's more interesting is who's NOT on list.