The Coachella Valley Music and Arts Festival is always full of surprises, and this year's event is no exception. Coachella is an annual music and arts festival that takes place in the Coachella Valley in California, and it's one of the largest and most popular music festivals in the world.
Legendary rockers The Go-Go's marked their return to the stage at the event on April 11 with a rousing performance, and their set featured a surprise appearance from Green Day frontman Billie Joe Armstrong.