Meghan and Serena Williams join the polo set: The Duchess of Sussex is joined by tennis legend and her tech tycoon husband to watch Harry and Prince William play in charity polo match

• Meghan Markle arrived in Ascot to cheer on her man as he competed in the Audi Polo Challenge with brother  
• Prince Harry, 33, also treated spectators when he took part in a charity polo match in Oxfordshire yesterday 
• The royal newlyweds were also accompanied by tennis ace Serena Williams and tech husband Alexis Ohanian