The mum of teenage photographer Liz Hatton wrote a heartbreaking message to the Prince and Princess of Wales - after the 17-year-old died from a rare and aggressive cancer

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.

Liz Hatton was pictured hugging Kate after the princess invited her to take pictures of the Prince of Wales at an investiture at Windsor Castle in October.