Britain's Queen Elizabeth is set to attend the memorial service to mark the 10th anniversary of the death of Princess Diana.
In an unprecedented move, the monarch will reportedly cut short her annual break at Balmoral - the Scottish estate she and husband Prince Philip retreat to every summer - to return to London to pay her respects to her former daughter-in-law.
50 Cent demands $500,000 to perform at a private party. The hip-hop star was paid the enormous fee for just 30 minutes work the last time he rapped at a private bash, to celebrate a Jewish boy reaching the age of maturity.
50 insists he isn't prepared to appear for anything less than the staggering fee.