The royal couple saw Tina: The Musical at the Aldwych Theatre in London.
Pensioner makes comment to Duchess of Sussex during tour of animal welfare charity in London.
The Duke and Duchess of Sussex are expecting a baby in spring 2019.
Republic of Ireland news
The Duke and Duchess of Sussex will visit Dublin next month, Kensington Palace has announced.
The Duchess of Sussex played the character of Rachel Zane.
The Duchess of Sussex made the comment during her visit to the Irish capital.
The couple reportedly stayed with friends George and Amal Clooney in Lake Como.
The list of 30 stylish stars has been compiled by the society magazine.
Entitled The Sixth In Line To Be King And I, it will air on New Year’s Day.
The TV presenter wore a Reiss blouse from the same range as a dress worn recently by Meghan.