Obamas dance to Al Green 's performance of Wu ` I Ca n't Stop Loving You First lady wears Jason Wu gown to both soirees ; Wu also designed her 2009 gown . two acts were to perform at the 21 official inaugural balls Monday night .
Obamas dance to Jennifer Hudson 's performance of Al Green 's `` Let 's Stay Together '' First lady wears Jason Wu gown to both soirees ; Wu also designed her 2009 gown . 21 acts were to perform at the two official inaugural balls Monday night .