The country star performs "Achy Breaky Heart" live and shares his thoughts about Miley & Noah's success.
Castmates including KJ Apa, Cole Sprouse, Lili Reinhart, & more play "Riverdale Rapid Fire".
Chester Bennington, Mike Shinoda, and Brad Delson discuss their most emotional songs.
Olympic gymnast and pro partner Sasha Farber rehearse their next "Dancing with the Stars" routine.
YOUNG HOLLYWOOD TV
Carey was helped to her feet by one of her dancers and joked to the audience, "I did that on purpose!"
She later called out to one of her backstage assistants to help her remove her shoes and then continued the rest of the show barefoot.