Jay-Z is the final Wireless headliner.
Others added to Thursday July 3 include Mark Ronson, Hot Chip, Roisin Murphy and Hercules and Love Affair.
The headliner line up is now complete, with Morrissey playing Friday July 4, Fatboy Slim July 5, and Counting Crowes closing the weekend on July 6.
Tickets for Jay-Z will go on sale this Friday (April 11).
Tickets for all other days are on sale now, priced at £40, which is an ‘early bird’ rate.