Kelly Osbourne paid tribute to her late father, Ozzy Osbourne, by sharing a special version of the Black Sabbath song Changes. She called him her "best friend.

Black Sabbath's star-studded Back To The Beginning extravaganza - which featured both the last-ever performance from the legendary quartet's original line-up and a final bow from frontman Ozzy Osbourne as a solo artist - was an emotional day for all in attendance,