It turns out that most people don’t truly know the real Kate Middleton. Though Meghan Markle branded the Princess of Wales as “formal” in Harry & Meghan, royal biographer Robert Jobson thinks the future queen has a side to her the public doesn’t get to see. “I think she’s not overly gushing…I think that she’s a lot more fun than the image that is presented,” Jobson told an outlet. “The image that’s presented is a bit of an enigma, I think, but she’s a lot more fun,” he said, adding, “[s]he doesn’t really like to let her guard down.” While attending public engagements, the mom-of-three is oft…