The princess, wearing a navy blue and white striped outfit designed by Emanuel and a matching hat, arrives to visit the Hope Institute for Special Education in Isa Town, Bahrain, on November 16, 1986.
Prince Charles and Diana, Princess of Wales, sit on cushions with Nahyan bin Mubarak, chancellor of the UAE University, near Al Ain on March 15, 1989. All photos: Getty Images
Prince Charles and Princess Diana watch camel racing in Abu Dhabi on March 15, 1989.
The Prince and Princess of Wales with Isa bin Salman, Emir of Bahrain, in Manama on November 16, 1986.
Diana, Princess of Wales, on an official visit to Dubai on March 17, 1989.
Emir Jaber III of Kuwait gives an audience to Princess Diana at the Bayan Palace, in March 1989. The princess is wearing a Catherine Walker dress.
The Princess of Wales arriving for a polo match in Muscat, Oman, in November 1986. She is wearing a dress by Paul Costello.
Diana, Princess of Wales, with Sultan Qaboos bin Said of Oman in Al Alam Palace, Muscat on November 11, 1986. She is wearing a suit by Catherine Walker and a Philip Somerville hat.
Diana, Princess of Wales, receives the gift of a gold embroidered gown and a silver tea set on a visit to the museum in Kuwait City, in March 1989.
Diana, Princess of Wales, visits Sultan Qaboos University in Muscat in November 1986.
The princess with King Fahd of Saudi Arabia during a reception in Riyadh, in November 1986. She is wearing an Emanuel evening dress.
The Prince and Princess of Wales on a visit to Riyadh in November 1986.
The royal couple greet Sultan Qaboos bin Said of Oman in the Al Alam Palace, Muscat, in November 1986.
The British royals visit a Bedouin camp in the Thumamah area of Saudi Arabia, in November 1986.
Princess Diana, wearing a white Emanuel evening dress and the Queen Mary tiara, sits beside a man at a banquet hosted by Isa bin Salman, the Emir of Bahrain, at Al Qudaibiya Palace in Manama in November 1986.
Diana, Princess of Wales, wearing a pink and red coat-dress by Catherine Walker, visits Kuwait City in March 1989.
The princess, wearing a purple dress designed by Zhandra Rhodes, a white shawl and silver shoes, speaks to Sheikh Mohammed bin Rashid during a reception at the British Consulate in Dubai on March 16, 1989.
The princess, wearing a navy blue and white striped outfit designed by Emanuel and a matching hat, arrives to visit the Hope Institute for Special Education in Isa Town, Bahrain, on November 16, 1986.
Prince Charles and Diana, Princess of Wales, sit on cushions with Nahyan bin Mubarak, chancellor of the UAE University, near Al Ain on March 15, 1989. All photos: Getty Images
Prince Charles and Princess Diana watch camel racing in Abu Dhabi on March 15, 1989.
The Prince and Princess of Wales with Isa bin Salman, Emir of Bahrain, in Manama on November 16, 1986.
Diana, Princess of Wales, on an official visit to Dubai on March 17, 1989.
Emir Jaber III of Kuwait gives an audience to Princess Diana at the Bayan Palace, in March 1989. The princess is wearing a Catherine Walker dress.
The Princess of Wales arriving for a polo match in Muscat, Oman, in November 1986. She is wearing a dress by Paul Costello.
Diana, Princess of Wales, with Sultan Qaboos bin Said of Oman in Al Alam Palace, Muscat on November 11, 1986. She is wearing a suit by Catherine Walker and a Philip Somerville hat.
Diana, Princess of Wales, receives the gift of a gold embroidered gown and a silver tea set on a visit to the museum in Kuwait City, in March 1989.
Diana, Princess of Wales, visits Sultan Qaboos University in Muscat in November 1986.
The princess with King Fahd of Saudi Arabia during a reception in Riyadh, in November 1986. She is wearing an Emanuel evening dress.
The Prince and Princess of Wales on a visit to Riyadh in November 1986.
The royal couple greet Sultan Qaboos bin Said of Oman in the Al Alam Palace, Muscat, in November 1986.
The British royals visit a Bedouin camp in the Thumamah area of Saudi Arabia, in November 1986.
Princess Diana, wearing a white Emanuel evening dress and the Queen Mary tiara, sits beside a man at a banquet hosted by Isa bin Salman, the Emir of Bahrain, at Al Qudaibiya Palace in Manama in November 1986.
Diana, Princess of Wales, wearing a pink and red coat-dress by Catherine Walker, visits Kuwait City in March 1989.
The princess, wearing a purple dress designed by Zhandra Rhodes, a white shawl and silver shoes, speaks to Sheikh Mohammed bin Rashid during a reception at the British Consulate in Dubai on March 16, 1989.
The princess, wearing a navy blue and white striped outfit designed by Emanuel and a matching hat, arrives to visit the Hope Institute for Special Education in Isa Town, Bahrain, on November 16, 1986.
Princess Diana's visits to the Gulf region - in pictures
