Chart-topper 'You’re The One That I Want' is revealed today as the biggest selling duet of all time – more than 30 years after it was a hit.

If you’re already a fan of hip-hop and rapper The Notorious B.I.G. and if you know all about the East Coast-West Coast feud and if you know already how the life and times of your hero turned out, then this film won’t tell you anything new.