In July 2013, the legendary Wimbledon tennis tournament was crowning Andy Murray, who had just defeated Novak Djokovic.
At the time, the royal was 8 months pregnant with Prince George and she was forbidden to attend by her doctor.
In a BBC documentary about tennis, the Duchess of Cambridge, née Kate Middleton, explains why she had to stick to the recommendations of her obstetrician.
“The doctor said definitely not,” Duchess Kate said. “I was very heavily pregnant. I wrote to [Andy Murray] afterwards saying sorry for not being there.”
A few days later, on July 22, the royal couple’s first child was born, which means the little prince will be celebrating his fourth birthday in a few weeks.