Denise Petski Senior Managing EditorThe current season of MTV’s reality competition series The Challenge will be going forward without cast member Dee Nguyen following insensitive comments she made about the Black Lives Matter movement and the killing of George Floyd.“As a result of Dee Nguyen’s offensive comments about the Black Lives Matter movement, MTV and Bunim/Murray Productions have severed ties with her.,” MTV and Bunim/Murray said in a joint statement.