Meghan Markle and Prince Harry’s rescue dog has been pictured in a photoshoot. The Duke and Duchess of Sussex’s adorable Beagle named Mamma Mia made a surprise appearance in a series of photos posted by Meghan’s friend Abigail Spencer. Spencer was one of the lucky 50 to receive a limited edition jar of Meghan’s new American Riviera Orchard jam. She revealed the jams in a photoshoot which saw her laying on the grass with the gift basket of jams and Mia. In one photo, the Beagle rolls onto her back and waits to be petted by Spencer; the other photo shows Mia nuzzling her nose against the actress…