iconic scene from the 2004 comedy “White Chicks.”The scene was done alongside the backdrop of early aughts slow-pop queen Vanessa Carlton’s song “A Thousand Miles.” Crews portrayed intense but sweet sports star Latrell Spencer, who fell in love with Marlon Wayans’ character when he was dressed up as a “white chick.”Crews, 53, is a current host of “AGT” and shared a clip of himself getting jiggy with it on Twitter while he was on stage, keeping his audience entertained with the improvised dance