The whole world is become mainstream.
Look at The Queen, and his son (Prince?), celebrating with Pop and Rock stars P. MaCkarty, Ricky Martin +.
Where is Lady Di?
BTW is this "show" why Simon wants to sell?
I guess The old (Queen) Lady is just demostrating acknowledgment that 'life is to short' and so VIVE LA VIDA LOCA.
'LET IT BE'