Meghan, the Duchess of Sussex walks with her husband, Prince Harry as they attend a garden party at Buckingham Palace in London, Tuesday May 22, 2018. The event is part of the celebrations to mark the 70th birthday of Prince Charles. (Dominic Lipinski/Pool Photo via AP)

Britain's Prince Harry speaks, as Prince Charles, Camilla, the Duchess of Cornwall and Meghan, the Duchess of Sussex listen, during a garden party at Buckingham Palace in London, Tuesday May 22, 2018. The event is part of the celebrations to mark the 70th birthday of Prince Charles. (Dominic Lipinski/Pool Photo via AP)

Foreground from left, Britain's Prince Charles, Camilla, the Duchess of Cornwall, Meghan, the Duchess of Sussex, and Prince Harry, pose for a group photograph during a garden party at Buckingham Palace in London, Tuesday May 22, 2018. The event is part of the celebrations to mark the 70th birthday of Prince Charles. (Dominic Lipinski/Pool Photo via AP)