Shamed Andrew spotted sneaking out on rare public outing to join Edward and Sophie at horse trials: Andrew Mountbatten-Windsor, who rarely leaves his new home on the Sandringham estate, was spotted breaking cover to attend the Sandringham Horse Driving Trials, which was also attended by the Duke and Duchess of Edinburgh #RoyalFamily #AndrewMountbattenWindsor #HorseTrials #Sandringham #DukeAndDuchess