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Take a long drag on that, and please, butt out responsibly

Diet coke is just a fridge cigarette Christmas ornament

She put a stylish figure in a knitted rust orange jumper which she tucked into a pair of grey wide legged trousers Keeping warm, Keira rocked a coordinated long rust coat and donned a pair of matching boots The Love Actually actress added a long eye catching yellow scarf to her outfit and styled her long brunette tresses in waves She seemed in high spirits as she was spotted having her makeup touched up ahead of filming Keira later slipped into a pair of blue denim white legged jeans and elevated her frame in a pair of burgundy boots She was lighting the cigarette while being filmed The six part action series which is set against the backdrop of London at Christmas will also star Ben Whishaw and Sarah Lancashire The thriller will follow Keira's character Helen Webb, a quick-witted, down to earth, dedicated wife and mother and professional spy For 10 years, shes been passing on her politician husbands secrets to the shadowy organisation she works for: the Black Doves Together, they set off on a mission that will lead them to uncover a vast, interconnected conspiracy

On No Tobacco Day, we challenge you and your loved ones to put down the cigarette for one day, and tell us about how you feel after