The teen Grammy winner and her brother Finneas O'Connell thrilled fans without show-business flourish in the iHeart Living Room Concert for America.
The bronze-winning skater told a radio host his haters "don't matter."
His awesome performance capped off the night.
"You wouldn't believe it, but we are in our late 30s!"
Now all we need is for Noah to drop that new album ...
Miley wore her best Idol-inspired outfit for the occasion.