Derek Hough was forced to temporarily vacate his seat for the latest episode of season 30 of Dancing with the Stars.MORE: Derek Hough makes surprise revelation about future role on DWTSThe former ballroom pro-turned-judge chose to not attend the taping for episode three due to possible exposure to COVID-19.Host Tyra Banks acknowledged Derek's absence at the very top of the episode as she welcomed the judging panel.WATCH: Dancing with the Stars season 30 trailer"Due to a potential COVID exposure,