Photo: WENN.com
Jay-Z and Justin Timberlake performed 'Holy Grail' for the first time at London's Wireless festival
Performing together at the Yahoo! Wireless festival in London, the duo performed together to debut their Nirvana referencing Magna Carta Holy Grail track, 'Holy Grail'.
The pair are about to embark upon their 'Legends of the Summer' tour in the US.
Watch the video below of Jay-Z and Justin Timberlake - Holy Grail perform together at Wireless festival:
