It has been 115 years since a Princess of Wales granted a prestigious royal warrant, and Kate Middleton could soon break that streak and give her official seal of approval to her favorite British businesses — the first time a Princess of Wales has done so since 1910.

In another sign of the progress she's making in her recovery following her cancer treatment, Kate Middleton apparently felt well enough after the holidays for one of her longtime favorite activities: Skiing.

Kate Middleton enjoyed a ski trip in the Alps with her family before announcing that her cancer is in remission during an official royal engagement last week, according to a report. The Princess of Wales,

Kate Middleton and her family took a ski vacation in the Alps sometime between Christmas at Sandringham and her 43rd birthday on Jan. 9, which she is thought to have celebrated at home.

Princess Kate Middleton and Prince William took a ski trip with their three children after Christmas, according to reports

Kate Middleton has been praised for her sensitive timing amid her latest move to visit the Royal Marsden Hospital, where she received treatment for cancer.

"It was really heart-warming to watch," Angela Terry tells PEOPLE of Princess Kate's candor when she bonded with cancer patients

"It was just like talking to a friend about a really horrible time in life and how you find ways of getting through it," Katherine Field tells PEOPLE of the Princess of Wales

Kate Middleton visited the Royal Marsden Hospital and chatted with a patient who was undergoing chemotherapy as treatment. The two spoke about their shared experience - battling cancer.