Arcade Fire, Chvrches, N.E.R.D, ASAP Ferg, T-Pain, and more will also take the stage.
N.E.R.D, ODESZA, and Bon Iver, among others, will also take the stage.
Pharrell debuted the track on OVO Sound Radio.
The annual Irish music fest has a huge lineup this year.
Playing a medley of hits.
Appearing alongside Lorde, The xx, Vince Staples and more in Manchester.
N.E.R.D will also be performing at the All-Star weekend event.
The 747 Warehouse St. lineup has arrived.
Pharrell also met 11-year-old fitness trainer, Demarjay Smith.
Headlining the halftime show.