Princess Diana's dance with John Travolta made her feel like elephant, letters show

She famously twirled around the dancefloor with John Travolta, but Diana, Princess of Wales confided in a letter: "Watching me dance is like watching an elephant."

Previously unseen correspondence between Diana and her former nanny, Mary Clarke, provides a fascinating insight into the young princess's life.

She writes guilelessly of her love for the Prince of Wales, the frantic preparations for their wedding day and her happiness in the early years of marriage.