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
JAY-Z
Pearl Jam
Skrillex
Miike Snow
Afrojack
Calvin Harris
Odd Future
D'Angelo
Rick Ross
Wale
Passion Pit
Santigold
Dirty Projectors
Janelle Monae
Prince Royce
Rita Ora
Savoy
The Knocks
What's more interesting is who's NOT on list.