Prince Harry and Meghan Markle are living large — or is it all a disguise?! The estranged royals are reportedly staying at a lavish resort in Palm Beach, Fla., while filming one of their new Netflix shows and attending the Royal Salute Polo Challenge at the Grand Champions Polo Club in Wellington. On Saturday, April 13, Harry was spotted soaking up the East Coast sun while enjoying his time at the polo event, a news publication reported. For the occasion, the 39-year-old wore a casual gray T-shirt, black jeans and a baseball cap, as he spent the entirety of the day being filmed by cameras for …