 Complete the following phrase:  To start marketing American Life, Madonna performed the American Life Promo Tour. A performance on Towers Fourth Street in Manhattan was presented to around 400 people and featured acoustic performances of American Life, Mother and Father, and Hollywood. On August 27, 2003, Madonna opened the MTV Video Music Awards performing a medley of Like a Virgin and Hollywood with Britney Spears, Christina Aguilera, and Missy Elliott. Spears appeared on stage atop of a giant wedding cake, wearing a wedding gown and veil; she sang the first few lines of Like a Virgin before Aguilera appeared from behind the cake and joined her. Madonna then emerged from the cake wearing a black coat and hat and started singing Hollywood before proceeding to kiss Spears and Aguilera on the lips. Missy Elliott came out from a wedding chapel to sing her song Work It halfway through the performance. The whole performance was a tribute to Madonna and an homage to her performance of Like a Virgin at the awards 