"Bono Dedicates Songs to Special Guests at U2's Sphere Residency"

Dave Grohl was spotted having a blast at U2's final concert at The Sphere in Las Vegas, singing along to "Beautiful Day" and enjoying the show with a drink in hand and sunglasses on his shirt collar. Other celebrity attendees included First Lady Jill Biden and U2's longtime producer Brian Eno. The Sphere's upcoming acts include Phish and Dead & Company, and despite a busy schedule, Dave Grohl and Foo Fighters will be heading back on tour this summer.