Britain's Prince Harry and his fiancee Meghan Markle visit the Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary in Nottingham, December 1, 2017.
Britain's Prince Harry and his fiancee Meghan Markle visit the Nottingham Academy school in Nottingham, Britain, December 1, 2017.
Britain's Prince Harry and his fiancee Meghan Markle visit the Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary in Nottingham, December 1, 2017.
Britain's Prince Harry poses with Meghan Markle in the Sunken Garden of Kensington Palace, London, Britain, November 27, 2017.
Britain's Prince Harry and his fiancee Meghan Markle visit the Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary in Nottingham, December 1, 2017.
Britain's Prince Harry and his fiancee Meghan Markle visit the Nottingham Academy school in Nottingham, Britain, December 1, 2017.
Britain's Prince Harry and his fiancee Meghan Markle arrive at an event in Nottingham, Britain, December 1, 2017.
Meghan Markle arrives at an event she is attending with her fiancee Britain's Prince Harry in Nottingham, Britain, December 1, 2017.
Britain's Prince Harry and his fiancee Meghan Markle greet well wishers as they arrive at an event in Nottingham, December 1, 2017.
Britain's Prince Harry poses with Meghan Markle in the Sunken Garden of Kensington Palace, London, Britain, November 27, 2017.
Britain's Prince Harry (R) arrives with girlfriend actress Meghan Markle at the wheelchair tennis event during the Invictus Games in Toronto, Ontario, Canada September 25, 2017.
Britain's Prince Harry (R) sits with girlfriend actress Meghan Markle to watch a wheelchair tennis event during the Invictus Games in Toronto, Ontario, Canada September 25, 2017.
Meghan Markle (center R, wearing maroon), girlfriend of Britain's Prince Harry, watches the opening ceremony of the Invictus Games in Toronto, Ontario, Canada September 23, 2017.
Actress Meghan Markle arrives on the red carpet for the MuchMusic Video Awards (MMVAs) in Toronto, June 16, 2013. REUTERS/Mark Blinch
Britain's Prince Harry and his fiancee Meghan Markle visit the Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary in Nottingham, December 1, 2017.
Meghan Markle, girlfriend of Britain's Prince Harry, watches the closing ceremony for the Invictus Games in Toronto, Ontario, Canada September 30, 2017.
Royal wedding in summer: Prince Harry, Meghan Markle set date
Prince Harry and his American fiancee, Meghan Markle, will marry on May 19 next year, Kensington Palace says.