"Happy May Day," the couple's team wrote below the video Kate Middleton and Prince William are teasing their next project. On May 1, the Prince and Princess of Wales' office at Kensington Palace posted a mysterious new video to their social media accounts.

Kate Middleton demonstrated a hidden talent while on a royal trip to Scotland with her husband, Prince William.

Britain's Prince William and his wife Kate visited a picturesque Scottish island on Tuesday to celebrate their 14th wedding anniversary and carry out their highest-profile joint trip this year.