Jay-Z has taken the final top spot for this year's O2 Wireless festival joining previously announced headliners Morrissey, Counting Crows and Fatboy Slim.
The New York rapper will perform on the Thursday (3 July) of the event, which takes place at Hyde Park, London from 3-6 July.
Mark Ronson, Hot Chip, Roisin Murphy and Hercules And Love Affair will perform on the same day as the hip-hop star.
Other acts performing over the weekend include Underworld, Beck, Goo Goo Dolls, The Whip and Guillemots.
Tickets for the Jay-Z day will go on sale this Wednesday (9 April) at 9am priced at £40.