Kate Middleton and Prince William are mourning the death of Liz Hatton, the teenage cancer patient who inspired the royals after meeting her in October. Hatton passed away Wednesday at the age of 17 after battling a rare form of cancer.

The Prince and Princess of Wales met Liz Hatton, who died on Nov. 27, at Windsor Castle last month, with Kate sharing a special moment with the teen

Liz, who died on Wednesday at the age of 17, began a photography bucket list after being diagnosed with cancer at the start of the year. The Prince and Princess of Wales have expressed their sadness at the death of teenage photographer Liz Hatton, saying it was “an honour to have met such a brave and humble young woman”.