It's been five years since Kate Middleton and her sister-in-law, Meghan Markle, put on a giggly courtside display at Wimbledon.
Under the gaze of the world, the Duchess of Cambridge and the Duchess of Sussex joined forces for the men's semi final in 2018, laughing and joking as they enjoyed their shared passion.
Many hoped their bond would mirror that of Princess Diana and Sarah Ferguson, who became inseparable after marrying brothers, Prince Charles and Prince Andrew.