Sia Apologizes For Mixing Up Nicki Minaj And Cardi B

Sia mixed up Nicki Minaj and Cardi B in a tweet over the weekend, prompting a #SiaIsOverParty hashtag and a couple different apologies. It all started when a fan tweeted a picture of Nicki Minaj at her wearing a black-and-blonde wig that looks similar to the one that Sia uses to cover her face. She…