By Emma Wilson Meghan Markle made a subtle yet sweet nod to husband Prince Harry as the couple continued their defiant display of unity. The Duke and Duchess of Sussex have been targeted by rumours of an impending split following reports they’re at odds over how to develop their new Sussex brand, but Meghan recently quashed the negativity with a touching display of affection for her husband. Stepping out in Los Angeles on Thursday, the 42-year-old wore a pair of Aviator sunglasses, her husband’s signature style, for the chic lunch date. Meghan looked stylish as she wore the sunglasses, which w…