Nick Cannon has tested positive for COVID-19, means he will not be appearing in a number of episodes from the upcoming fifth season of, reports.Following Cannon's positive test, the show's producers have tapped Niecy Nash to serve as a guest host for some of the first episodes of the competition, a rep forFox confirmed to ET on Wednesday.Production on the upcoming season is set to kick off on Thursday, which means Nash will likely be helming at least the first few episodes, during which the new