Black Widow (Iggy Azalea song) Horse". A writer for MuchMusic felt "Black Widow" was "a killer collaboration", in the same vein as Azalea's fourth single "Fancy" which featured Charli XCX. MTV Buzzworthy's Nedeska Alexis placed the song in her list of the 4 Songs You Have To Hear from the album, and said Perry "worked her magic on the track." Lucy O'Brien of "The Quietus" called the track a "call-and-response anthem." "Marie Claire" journalist Lauren Valenti deemed the song "deliciously wicked" and "nothing short of brilliant", and commended Ora's vocal delivery on the track's hook. A writer for Rap-Up called Azalea and Ora "a deadly
Pretty Girls (Britney Spears and Iggy Azalea song) album. When asked who she would like to collaborate with, Spears said she would like to do something with Katy Perry or Iggy Azalea. Rumors began to circulate that a collaboration between the two artists was already in the works, with Azalea saying she had done a "secret collaboration" with someone she had been interested in. In December 2014, Azalea told Kiss 108 backstage at their Jingle Ball Tour 2014 that their collaborative song would premiere in 2015, "We have a song, which is going to be her first single, coming out next year." Asked how the collaboration came about,