It has been announced that the Justin Timberlake + Jay-Z will be headlining this summer’s Wireless Festival. Justin will take the stage at Queen Elizabeth Olympic Park on July 12 with Snoop Dogg, Trey Songz, John Legend, Miguel and Frank Ocean. Thefollowing day, Jay will be joined by Rita Ora,Kendrick Lamar, Calvin Harris, and Emeli Sandé. [via Perez Hilton]