Share Tweet Pin Email By Katherine Tinsley 9:31pm PDT, Aug 15, 2025 _ Princess Anne celebrated her birthday on Friday, August 15, but the palace made a great mistake in their celebratory message for the Princess Royal.Keep reading for the details...MORE: Follow Wonderwall on MSN for more top news _ In honor of Princess Anne's milestone 75th birthday, Buckingham Palace shared 75 facts about the Princess Royale. One fact, however, was wildly inaccurate. The Palace shared that Her Royal Highness "has two stepchildren from her second marriage to Sir Timothy Laurence, Tom and Amy Laurence.