Princess Diana (1961 - 1997) and American First Lady Nancy Reagan arrive for a visit to a drug rehabilitation centre in Washington D.C., November 1985. (Photo by Terry Fincher/Princess Diana Archive/Getty Images)
Princess Diana (1961 - 1997) and American First Lady Nancy Reagan arrive for a visit to a drug rehabilitation centre in Washington D.C., November 1985. (Photo by Terry Fincher/Princess Diana Archive/Getty Images)