Gwen Stefani and Pharrell Belt out "Hollaback Girl" at Coachella - Watch Here!

Posted Sunday April 13, 2014 4:58 PM GMT

Delivering a smash performance at 2014 Coachella Valley Music and Arts Festival, a post-baby Gwen Stefani and Pharrell Stewart hit the stage together on Saturday night (April 12).

The 41-year-old rapper brought out the "Sweet Escape" singer for a fantastic performance of "Hollaback Girl," making the crowds go wild in their combined effort.

Tweeting about the concert early this morning, 44-year-old Gwen wrote, "Feels good to be out of the cave #Cochella2014 @Pharrell gx."

Responding in kind, Pharrell, who introduced Gwen as the most "awesome, rad girl in the world," tweeted, "Thank you @coachella for such a wonderful experience. #GIRL."

Photo Credit: Getty Images