Princess Diana

President of Ireland refused to attend Prince Charles and Lady Diana's wedding

State Papers have revealed that the former President of Ireland decided that he would not attend the Royal wedding shortly after receiving an invitation from Buckingham Palace.

Facts about Princess Diana's life

Everything you need to know about the "Queen of Heart's" life.

WATCH: 1950s Britain "The Age of the Teenager" and Princess Diana's stepmother's defense

This incredible British Pathé newsreel footage focusing on London's teenage scene features an interview with Princess Diana's stepmother, Raine Spencer.

Four times the Royals have gotten involved with politics

The Royal Family are, as a rule, expected to stay out of politics and refrain from giving their personal opinion on certain topics, so as to remain impartial.

Friendship between Princess Diana and an Irish nun

How an Irish nun gave comfort to Princess Diana during her fraught marriage from 1992.

Princess Diana's legacy and the modernizing of the British Royal family

Two decades after her death, Princess Diana's legacy lives on in both her sons and the daughter-in-laws she never had the chance to meet.

Princess Diana was criticized for her 'ignorance of' Northern Ireland

Princess Diana was criticized for her "ignorance" of Northern Ireland after describing it as part of Ireland, according to a recently declassified note from 1993.

When Princess Diana and John Travolta danced at the White House

The "Saturday Night Fever" star made the Queen of Hearts blush during her 1985 visit to Washington with Prince Charles.

On this day, 43 years ago, Princess Diana and Prince Charles were married

Prince Charles and Princess Diana were married on this day 43 years ago.

Princess Diana's niece Lady Kitty Spencer marries Michael Lewis in Italy

Lady Kitty Spencer married multi-millionaire fashion mogul Michael Lewis on Saturday at a small ceremony, in Frascati, Italy, filled with close family and friends.

Princess Diana's statue - Everything you need to know

Princess Diana's statue will be unveiled next month.

Kristen Stewart transforms into Princess Diana for new biopic, Spencer

Production has begun on the controversial new biopic, Spencer, by Pablo Larrain, which will tell the story of the breakdown of Prince Charles and Princess Diana's marriage.