Pandora Cooper-Key was first diagnosed with cancer 24 years ago and revealed earlier this year that she had an inoperable brain tumor Stephanie Petit is a Royals Editor, Writer and Reporter at PEOPLE.

"Now that she has gone, I wish I could talk to her about raising sons," Cressida wrote Janine Henni is a Royals Staff Writer for PEOPLE Digital, covering modern monarchies and the world's most famous ...

Cressida Bonas attends the Harper's Bazaar Women of the Year Awards in 2019. Dave Benett/Getty Images for Harper's Bazaar Cressida Bonas is paying tribute to to her “darling sister” Pandora Cooper-Key ...

(Left) Cressida Bonas arrives for a performance of "The Snowman" at The Peacock Theatre in London on Nov. 18, 2023; (Right) Pandora Cooper Key at the TCA Ibizan Art Gala 2022 benefitting Teen Cancer ...

Pandora Cooper-Key was first diagnosed with cancer 24 years ago and revealed earlier this year that she had an inoperable brain tumor Bonas, 35, shared a carousel of images on social media featuring ...

Prince Harry's ex-girlfriend Cressida Bonas is remembering her late sister Pandora with love. On Nov. 17,The Sunday Times Style published a first-person editorial Cressida wrote about her beloved half ...