Summer's not officially over yet, and Ashley Darby is here to prove it. The Real Housewives of Potomac cast member recently shared a snap of herself on a boat in Italy, where she was soaking up the sun in style. Wearing a striking cutout swimsuit, her signature necklace, and a sunny smile, the mom of two personified relaxed, end-of-summer vibes. Ashley's had some practice with epic swimwear. Back in June, she struck a pose on a boat while wearing a cobalt-blue bikini. The two-piece look had cut-