Share Tweet Pin Email By Katherine Tinsley 5:48pm PDT, Sep 2, 2025 _ Prince Harry reflected on his last conversation with Princess Diana in the 2017 documentary Diana, Our Mother. While neither Harry nor his older brother, Prince William, could have predicted her untimely death nearly three decades ago in August 1997, the two siblings couldn't help but wish their final moments with their late mother had played out differently...MORE: Follow Wonderwall on MSN for more top news _ In the documentary, Prince Harry opened up about his super-short final phone call with Princess Diana.