Michelle Obama celebrated some wonderful family news on Friday and posted a photo which left fans amazed. The mom-of-two - who shares her daughters, Malia and Sasha, with husband, Barack Obama - took to Instagram to wish her big brother, Craig Robinson, a happy birthday and the resemblance between them was uncanny. MORE: Michelle Obama shares poignant family photo featuring daughters Malia and SashaIn the snapshot, Michelle and her sibling beamed for the camera and their kilowatt smile was the talk of social media. WATCH: Michelle Obama opens up about life without Malia and Sasha at home"Happy birthday, @CraigMalRob! I couldn't have asked for a better brother and friend," she wrote alongside the happy family photo. "Here's to celebrating 60."Fans were stunned at how much they look like one another and commented: "Those smiles," and, "you guys are identical," with another going as far as to say: "Looks like her face was photoshopped onto his.