Nicole Kidman knows what she was doing at the premier of her new film, Expats. The Others star braved the cold weather in a striking backless black dress that wouldn’t offer any type of warmth, that’s for sure. The star looked stunning in the piece and definitely stole the show – and rightly so. Even if Nicole Kidman‘s gorgeous frock was hanging on for dear life at the Expats premiere, we’re feeling it. The Bewitched actress chose to ignore the chilly weather with her backless gown, that showed off her toned figure. The dress was the centerpiece of her entire look, and we’re low-key obsessed. …