This adviser is on fire!
This isn't the first time Williams and the Grammy winner have worked together—they collaborated on "It's On Again," the theme song for The Amazing Spider-Man 2, as well as the duet "Know Who You Are," which was featured on his most recent album, Girl.
And E! News has an exclusive interview with Pharrell and Alicia from their inside battle round powwows tonight at 7:30 p.m. and 11:30 p.m.!
Season seven's other advisers? New coach Gwen Stefani has tapped husband Gavin Rossdale, the lead singer of Bush, to mentor her team, while Adam Levine is bringing in Stevie Nicks to offer some words of wisdom to his contenders. Blake Shelton is keeping it country with his advisor pick, recruiting Little Big Town.
Pharrell and Gwen will make their highly anticipated debuts on The Voice when season seven kicks off on Monday, Sept. 22, at 8 p.m. on NBC.
Make sure to tune in to E! News tonight at 7 p.m. and 11:30 p.m. for more exclusive Voice scoop from Pharrell and Alicia!
(E! and NBC are both part of the NBCUniversal family.)