After deleting her IG for 2 days, the "I Like It" rapper is back on social media to announce new music with Bruno Mars--but is it all a publicity stunt? "Live From E!" discusses. #CardiB #ENews #CelebrityNews Watch Live from E! here: http://bit.ly/2vGuD5g Subscribe: http://bit.ly/enewssub About E! News: Giuliana Rancic, Jason Kennedy and the rest of the E! News team bring you the latest breaking entertainment, fashion and Pop Culture news. Featuring exclusive segments, celebrity highlights, trend reports and more, The E! News channel is the only destination Pop Culture fans need to stay in the know. Connect with E! News: Visit the E! News WEBSITE: http://eonli.ne/enews Like E! News on FACEBOOK: http://eonli.ne/ENewsFB Check out E! News on INSTAGRAM: http://eonli.ne/ENewsIG Follow E! News on TWITTER: http://eonli.ne/ENewsTW Cardi B Returns to Instagram to Promote New Song | E! News http://www.youtube.com/user/enews