How much money did Psy make for the song Gangnam Style ?
On November 18 , Psy , who rocked out in traditional Hammer pants , closed out the 40th American Music Awards show with a performance of " Gangnam Style " , joined by surprise guest MC Hammer who brought in his own moves and Psy 's horse - riding dance as the song mashed into his 1990s hit " 2 Legit 2 Quit " .