Kate Beckinsale couldn’t care less about what her haters are saying! In a series of Instagram Stories from Tuesday, July 16, the Pearl Harbor alum, 50, strutted her stuff in a black one-piece bathing suit, which cheekily read, “I didn’t ask for your opinion.” In the images, the star showed off her slim figure for the camera while in a huge tan sun hat, black shades and gold jewelry. The uploads came after the mother-of-one was recently bashed for her weight, which she addressed on July 8. Beckinsale clapped back at the haters calling her “too thin,” by posting a series of images in a skimpy pi…