Wearing a red sleeveless T-shirt that read "Keep Calm and Bring Out the Bottles," the name of his next single, Redfoo stood, clapped and yelled, "Come on, Vika!" during the tight first set.
Serena Williams out of Australian Open →
Azarenka's friend, rapper Redfoo, yelled down to her from the player box "You deserve it," and she later blew kisses to the crowd.
Australian Open 2013: Victoria Azarenka beats Li Na for title →