The fast-food giant is hitting on all cylinders.

William and Catherine, the Prince and Princess of Wales, briefly split in 2007 but were back together within weeks ...

It's also been revealed she played a part in their reunion following a brief split four years before their big day ...

Princess Kate was joined by a special surprise guest during a holiday piano duet that aired on British television on Christmas Eve. Princess Kate's 10-year-old daughter, Princess Charlotte, played the ...