With his raw sound, tattooed rock star vibe and collaborators like Jelly Roll, he's fueling the genre's explosion.

Jelly Roll's mother finally meets Post Malone, bringing a felt pen and birthday wishes, capturing a warm backstage moment filled with laughter, hugs, and a signed CD for her collection.

Already taking over Nashville, Dolly Parton looked to add to her resume with her plans of going into the hotel business.