'Dancing with the Stars' fixture Derek Hough and his wife Hayley Erbert showed off their silly side on Instagram on Wednesday ...

Derek Hough may just be givin' his wife Hayley Erbert a run for her money 'cuz the dancing duo got caught red-handed wearing the same short dress ... and dare ...

DWTS pro Emma Slater just let her fans know that yet another season 34 cast member will be revealed tomorrow morning on GMA, ...