In a now-deleted tweet, a fan asked the "Chandelier" singer whether she would ever do a collaboration with Minaj and shared a photograph of the rapper, reports people.com.In her reply, Sia mistook Minaj for Cardi B, writing: "I love @iamcardib and although this isn't a collaboration, I would love to COLLAB with her any day!"I love and although this isn't a collaboration, I would love to COLLAB with her any day!— sia (@Sia) Social media users noticed the mix-up and soon the hashtag