royalpain16

Princess Diana wearing a plum cape jacket as she greets well-wishers during a visit to St. Catherine's Hospice in Crawley, West Sussex.

Princess Diana attending an official visit at the Royal College Surgeons, where she dressed the part in a student's traditional cap and gown.

Princess Diana watching Prince Charles play polo at Smith's Lawn Windsor in an oversized blazer, T-shirt, jeans, and boots.

Princess Diana taking Prince Harry for a ride on his pony in Sandringham, United Kingdom.

Princess Diana joining her older sister (and Charles's ex-girlfriend), Sarah McCorquodale, for a visit to their former school in Kent in 1987.

Princess Diana sipping from a water glass during a visit to Portugal while being hosted by the President at Ajuda Palace in Lisbon.

Princess Diana dancing with Prince Charles wearing a blue dress by David Emanuel.

Princess Diana sheltering herself under an umbrella, wearing a bowler hat and ruffled top.

Princess Diana flashing Princes Charles a smile while visiting the Cheshire Regiment in Tidworth.

Princess Diana dressing for the occasion in an army green button-down and pants for a maneuvers demonstration by the Royal Hampshire Regiment in Tidworth.

Princess Diana attending a polo match at Cowdray Park Polo Club with her friend and future sister-in-law, Sarah Ferguson, a week before her wedding.