Princess Diana's honeymoon letter reveals a young bride 'playing with grown-ups' in the royal family

Princess Diana believed she was headed for a fairy-tale future with then-Prince Charles — until her dream unraveled. Katherine Hanbury, who attended West Heath Girls' School with the late Princess of Wales between 1973 and 1977, is partnering with U.K.-based auction house Gorringe's to auction photographs and letters beginning July 7. "She was completely hopeful," the royal's childhood friend told Fox News Digital. "She thought she'd met her prince. And we all hope, don't we, when we get married