Zac_Efron_ellen_DeGeneres-Show Published October 4, 2012 at 612 × 339 in Zac Efron Describes Why He Danced With Nicole Kidman In His Underwear [VIDEO] Zac Efron appears on the Ellen DeGeneres show October 4, 2012 and talks about dancing in his underwear for Nicole Kidman in the upcoming movie Paperboy