Also confirmed for the summer bash at London's Hyde Park are former Moloko singer Roisin Murphy and Hercules and Love Affair.
O2 Wireless takes place on July 3-4. Tickets for the first day of the event go on sale this Friday at 9am.
As previously announced, Morrissey will top the bill on the Friday, while Fatboy Slim will headline on Saturday. Counting Crows will round off the weekend on Sunday night.
Further additions to the lineup will be confirmed in the next few weeks.