And it's freaking hilarious!
Ch-ch-check out the brutal bit (above)!
Woooweee! SO much anglotastic talent on one stage!
Florence and the Machine frontwoman Florence Welch!
Cue to 1:15 to see Mz. Welch & Mick Jagger perform a delightful duet of Gimme Shelter (above)!
Also, Florence gets mighty close to Mick. Like right up in his face. And is it us, or does he seem a tad taken aback?!
Ah well, when you're inviting all sorts of special guests on stage, you've gotta be prepared for anything!