Mike Tindall has confessed that the royal procession at Ascot can prove to be a 'nightmare,' particularly in extreme heat. Former England rugby union star Tindall , whose wife Zara is a member of the Royal Family , is no stranger to the annual daily tradition. However, it was a different story on Tuesday. On that occasion, the pair were initially refused entry after a security guard failed to recognise Zara, the daughter of Princess Anne and niece of King Charles . The Royal Meeting at Ascot