For Prince Louis ’s 8th birthday, Princess Kate and Prince William shared a playful, artistic video of their youngest son playing on the beach and jumping into the water, reportedly in Cornwall on a recent family trip. Those familiar with the area were quick to determine that the video was taken on Cornwall’s Isles of Scilly, a favorite vacation spot for the Prince and Princess of Wales and their family. Prince Louis's 8th birthday photograph. (Image credit: Matt Porteous/The Prince and Princess of Wales) Prince Louis plays on the beach in Cornwall. (Image credit: Matt Porteous/The Prince and Princess of Wales) Prince George , Princess Charlotte , and Prince Louis recently returned to Lambrook School after a 24-day Easter break. As the Prince and Princess of Wales’s schedule went noticeably quiet, it seemed likely that the family had snuck away for a family vacation. The Isles of Scilly are a favorite spot for Prince William and Princess Kate to sneak off for a low-key staycation.…