Andy Barr - WPA Pool/Getty Kate Middleton had a witty reply to being mistaken for her husband Prince William's assistant during a royal outing in 2020 Princess Kate, 43, joked that she had been in the role "for a long time" Royal biographer Penny Junor previously told PEOPLE that Kate "doesn't outshine William but still has a lot to say herself" Kate Middletonknew just what to say when she was once mistaken forPrince William's assistant. The Prince and Princess of Wales are a tight team and recently rang in their14th wedding anniversary, but Princess Kate's previous quip about how she supports her husband is making the rounds now. The interaction happened in August 2020 when Prince William, 42, and Princess Kate, 43,visited Shire Hall Care Home in Cardiff, Wales, and one resident said something blunt. According toHello!magazine, William and Kate reconnected there with Joan Drew-Smith. The royals previously played bingo with Drew-Smith, who then said, "You did a bloody s----- job"about their bingo calling skillswhen William brought it up. The Prince and Princess of Wales (who were then known as the Duke and Duchess of Cambridge) wore face masks at the nursing home amid the COVID pandemic, which William explained might hinder communication. Jonathan Buckmaster / POOL / AFP "We have to wear masks because of the virus, but it's difficult to hear sometimes when you can't see someone's mouth," he said to Drew-Smith, who then pointed to Kate and asked him, "Is that your assistant?" With a laugh, Kate said, "Well I am your assistant! I have been for a long time!" Taking it in stride,Hello!reported that Prince William later told staff, "I love Joan, she's brilliant. If only everyone was as honest as her." Jonathan Buckmaster - WPA Pool/Getty Kate embraced a full-time working royal role after she married Prince William in April 2011 andintroduced herself in an unexpected waywhile meeting school children in Scotland in 2023. "Who am I? I'm married to William," Princess Kate said in a video shared toXwhile mingling with students from Burghead Primary School in Moray in November 2023. "She's never trying to outshine him in any way," royal biographer Penny Junorpreviously told PEOPLEabout the dynamic William and Kate share. "I think that Kate is a bit likePrince Philipsupporting theQueen. She doesn't outshine William but still has a lot to say herself." Princess Kate's reply highlighted her supportive role to William, who is heir to the British throne and expected to be king one day. The Prince and Princess of Walesmost recently stepped out togetherto attend the ship naming ceremony of the HMS Glasgow in Scotland on May 22, where Kate led the way as the warship's sponsor. Katechanneled Princess Diana through styleand pressed a button to release whisky against the ship's hull during the naming ceremony, a special honor as the ship's sponsor. Andrew Parsons / Kensington Palace Can't get enough of PEOPLE's Royals coverage?Sign up for our free Royals newsletterto get the latest updates on Kate Middleton, Meghan Markle and more! Royal watchers won't expect to see the Prince and Princess of Wales out and about this week, however, as their three childrenPrince George, 11,Princess Charlotte, 10, andPrince Louis, 7, are on a half-term break from school. William and Kate are known toscale back their scheduleswhen their kids are out of the classroom to all spend time together. Read the original article onPeople