It is believed to be the most expensive BBC drama ever. And Ruth Wilson dazzled as she arrived at the premiere for the upcoming adaptation of Philip Pulman’s His Dark Materials at the BFI Southbank, London, on Tuesday. The actress, 37, oozed glamour in a bright belted red jumpsuit, which was cinched around her slim waist and showcased her honed physique to perfection. Lady in red: Ruth Wilson dazzled as she arrived at the premiere for the upcoming adaptation of Philip Pulman’s His Dark Materials at the BFI Southbank, London, on Tuesday Ruth’s vibrant one-piece featured puff sleeves, a square neckline and wide-legged trousers, which she teamed with a pair of statement polka dot stilettos. RELATED ARTICLES Previous 1 Next Cara Delevingne stuns in an ethereal patterned dress at… ‘They say it’s a fortress but there’s a reason for that’:… Ruth Wilson puts on dazzling display in glossy floral frock… Ant McPartlin takes a Sunday drive in his £60k Range Rover… Share this article Share The Affair star wore her brunette tresses swept back in a sleek style, while opting for a full face of make-up including heavily pencilled brows and a bright red lip. Ruth was joined at the screening by British-Spanish actress…