So, plan B: invite Florence + the Machine to fill in for the Foos. Festival organizer Emily Eavis posted a message on Glastonbury's website earlier today addressing the news.

"Once we heard the sad news that Foo Fighters had been forced to pull out, there was only one person we wanted to call and that was Florence," she wrote. "Every time she has played here she's done something spectacular and we always knew she would headline the Pyramid one day. I'm delighted she's agreed to step up to it-she's going to smash it!"