Post Malone

Here's how you ring in the New Year.

More metal creds.

The rapper hopped on a call with David Ellefson.

A little friendly competition.

The Starchild has his reasons.

You wouldn't even think he's a rapper.

So much fire you'd think Slayer were playing.

Posty's fans went nuts.

Green Day are the only other rock act performing at the AMAs.