Dancing usher steals the show at Jonas Brothers concert

A concert hall usher has achieved viral fame after Joe Jonas shared a video of the man breaking it down during a Jonas Brothers concert.

Sam Coy of Grand Rapids, Michigan, stopped by "Good Morning America" Wednesday after he was caught grooving to the music at Van Andel Arena.

Sam said it was his sister who discovered video of him on Instagram.

Editor’s Picks

10-year-old doing flips in prosthetic leg dazzles millions with her impressive moves

• Apr 18, 2019

Toddler's tantrum at Trader Joe's soothed by impromptu performance by check-out staff

• Aug 20, 2019

Principal slays 'Level Up' challenge during high school pep rally

• Sep 21, 2018

"I was such a Jonas Brothers fan...and to have them post my brother on their main account, I was in awe," Alex Coy told "GMA."

Sam said he's danced to musical performances of Twenty One Pilots, Shawn Mendes, Jason Aldean and more.

"I bust a move when the rhythm comes," he added.