Katy Perry has admitted to running straight into King Charles at Windsor Castle and exclaiming: “Wrong Way!” The American pop star opened up about her royal stay last year during an interview on Jimmy Kimmel Live! Perry was invited to stay in Windsor Castle during King Charles and Queen Camilla’s Coronation celebrations in May. The pop star performed at Charles’s Coronation Concert alongside Take That and Lionel Richie. Perry revealed that after the ceremony, she and her team rushed through the palace to meet with the King and Queen. She explained that there were certain routes through the cas…