Watch: Corey Feldman Details 'Dancing With the Stars' "Behind-the-Scenes Drama"Val Chmerkovskiy is ready to tango into this conversation. After Corey Feldman alleged seeing "toxic" behind-the-scenes elements while competing on season 34 of Dancing With the Stars, the dance pro shared his thoughts on the Stand By Me alum's remarks. Indeed, Val commented four emojis under People's Nov.