Unseen history on Instagram: "Miley Cyrus’s 2013 VMA performance instantly became one of the most talked-about moments in pop-culture history, and the live crowd’s reactions were just as unforgettable as the performance itself. As Miley danced with Robin Thicke and pushed boundaries with her shock-heavy choreography, the camera kept cutting to celebrities in the audience—and their stunned faces told the whole story. Stars like Rihanna, the Smith family (Will, Jada, Willow, and Jaden), Taylor Swi