Who ever hating needs to do there research cuz Nicki is headlining Summer Jam the first person to do so http://www.billboard.com/column/the-juice/nicki-minaj-to-headline-hot-97-s-summer-1006956552.story#/column/the-juice/nicki-minaj-to-headline-hot-97-s-summer-1006956552.story And Azealia was Nicki's replacement at the MET Gala after Nicki dropped out for her upcoming tour http://www.nypost.com/p/pagesix/met_gala_drama_dnWQ439r1hRpfjw6NYoBsN