Kate Middleton
Kate Middleton joined Prince William to bid farewell to his former private secretary. Pictured: Middleton and Prince William attend the Men's Singles final on day thirteen of the Wimbledon Lawn Tennis Championships at All England Lawn Tennis and Croquet Club on July 15, 2018 in London. Getty Images/Clive Brunskill

Kate Middleton is still on maternity leave, but she didn't miss the opportunity to bid farewell to Prince William's former private secretary.

According to Elle, the Duke and Duchess of Cambridge stepped out together for a private engagement with Miguel Head, who resigned as Prince William's private secretary. Head had worked with their family over the past decade and decided to resign earlier this summer.

"The Duke and Duchess of Cambridge this afternoon received Mr. Miguel Head upon relinquishing his appointment as Private Secretary to His Royal Highness," the Court Circular stated.

Prince William has since welcomed civil servant Simon Case to take over the role. It's the only staff change to take place within the Cambridge's royal household.

Middleton is still on leave and is not expected to return to her royal duties in October.

"It is traditional for new royal mums to take a six-month break from official engagements," Duncan Larcombe told Harper's Bazaar. "The wedding doesn't count because it was a 'family affair' but other than that, she will pick and choose her engagements. If she wanted, Kate could disappear into the background until October!"

Prince William's wife may officially return to her royal duties on Oct. 10 for World Mental Health Day. Middleton also took a short break last month after confirming her third pregnancy but returned to her duties at the same event.

On the other hand, Prince Harry and Meghan Markle also made an emotional meeting on Wednesday afternoon with the Duke of Sussex's private secretary Ed Lane Fox, Hello! reported. He had worked with Prince Harry for five years.

Fox's resignation was announced in April. According to a palace spokesperson, Prince Harry is very thankful for all of his help and support in the royal's projects and personal matters.

"His Royal Highness is hugely grateful to Ed for his hard work during a period that has seen the launch and growth of the Invictus Games, countless tours around the world, and the detailed planning for next month's wedding," the spokesperson said prior to Prince Harry and Markle's nuptials in May.​