LADY Louise Windsor has been snapped at the annual royal horse show – riding an electric bike. The royal, 20, was seen today on the Windsor Castle grounds, with her mum Sophie Wessex and dad

The King attends the Royal Windsor Horse Show alongside the Duke and Duchess of Edinburgh in Windsor, Berkshire. Charles made his third public visit of the week to tour the

Lady Louise Windsor was spotted riding an e-bike at the Royal Windsor Horse Show, where she is volunteering for the international carriage driving Grand Prix.Lady Louise sported a Royal Windsor Horse Show gilet as she rode the muddy electric bike along a path in the ground of Windsor Castle on day four of the event.Her mother Sophie, the Duchess of Edinburgh, was spotted smiling and chatting to fellow showgoers nearby, alongside her husband Prince Edward, the Duke of Edinburgh.Lady Louise has been helping out at the show, a favourite of the late Queen Elizabeth.The 20-year-old is currently in her second year, studying English Literature at the University of St Andrews in Scotland.Sign up to the Front Page newsletter for free: Your essential guide to the day's agenda from The Telegraph - direct to your inbox seven days a week.

The royal, 20, who is 16th in line to the throne, has been spotted getting stuck in at the Berkshire event - where her parents are also in attendance as spectators.