Catherine, Princess of Wales, made her first public appearance Saturday morning since revealing her cancer diagnosis three months ago. The 42-year-old former Kate Middleton returned to public view while attending the annual Trooping the Colour procession, which commemorates King Charles III’s birthday.England’s future queen, clothed in white, smiled and waved to fans from her carriage as she drove to the occasion.

Her three children sat with her as Prince William rode horseback to the parade. Later in the day, Kate joined the royal family on Buckingham Palace’s balcony to watch a Royal Air Force flyover. Kate’s entrance was not completely unexpected. On Friday evening, she issued a statement declaring her plans to attend the event, adding that she had a few more months of chemotherapy treatment and was making “good progress.”

“I’m looking forward to attending The King’s Birthday Parade this weekend with my family and hope to join a few public engagements over the summer, but equally knowing I am not out of the woods yet,” she posted to her Instagram account. Kate officially announced in late March that she was in the early rounds of chemotherapy after essentially disappearing from public view in late December.

At the time, Kensington Palace stated that Kate’s absence from public appearances was due to scheduled stomach surgery. At the time, the palace stated that the treatment was not for cancer.A few weeks before the princess confirmed her diagnosis, the palace revealed that Charles, 75, had also begun cancer treatments. The palace has not revealed what form of cancer Charles or Kate have.