Jay Z Brings Out Beyonce At The Global Citizen Festival [Video]

Jay Z surprised fans at the Global Citizen Fest this weekend by bringing out Beyonce, then she got a surprise as her shirt nearly blew off!

The two covered 'Holy Grail' during the concert that aims to end extreme poverty on the planet by 2030 by getting citizens involved.

During the performance, Beyonce lost a button on her shirt and had to finish with one of her hands holding her shirt together.