Glamorous is unknown to Fergie.
`` Glamorous '' is a song recorded by American singer and rapper Fergie for her debut studio album , The Dutchess ( 2006 ) . The song features vocals from American rapper Ludacris . It was written by Fergie , Ludacris , will.i.am , Elvis Williams and Polow da Don ; the latter also produced the song . `` Glamorous '' peaked at number one on the Billboard Hot 100 and became Fergie 's second number one hit on the chart as a solo artist . The music video for `` Glamorous '' features Fergie in scenes in which she portrays a successful actress and a teenager , acting as flashbacks from her past .