Duchess of Edinburgh leaves Prince Edward and Lady Louise in hysterics as she fails at drinking game during Sandringham Horse Trials
![Duchess of Edinburgh leaves Prince Edward and Lady Louise in hysterics as she fails at drinking game during Sandringham Horse Trials](https://i.dailymail.co.uk/1s/2024/07/03/11/86870849-0-image-a-18_1720002362297.jpg)
Sophie, 59, was seen taking part in a carriage driving event at the Sandringham Driving Horse Trials last Saturday as her family watched on.