Dancing with the Stars Derek Hough may not be able to perform on 'Dancing with the Stars' again this season due to injuries 04/22/2015 Derek Hough may not be able to continue competing on Dancing with the Stars this season. Read More RELATED NEWS Kym Johnson posts new photos of baby twins with Robert Herjavec -- "Double trouble"Kym Johnson and Robert Herjavec announce gender of their twin babies!Kym Johnson and Robert Herjavec expecting twin babies! TAGS: Dancing with the Stars Mark Ballas Sasha Farber Derek Hough Maria Menounos Nastia Liukin
