Blake Lively is a supportive wife.The Shallows star posted a cheeky picture of her backside to her Instagram story Thursday to promote husband Ryan Reynolds' new film, Free Guy.In the picture the actress is in a bikini, standing on her toes with her arms raised to either side of her head.She wrote a clever caption above the photo: 'Go see @freeguymovie this weekend or you'll be bummed.' Showing support: Blake Lively posted a picture of her backside to her Instagram story Thursday to promote husband Ryan Reynolds' new film, Free GuyThe mom-of-three's bum looked perky in the patterned two-piece swimsuit she was wearing.
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