Nick Jonas: 'How To Succeed' with Joe and Kevin!

Nick Jonas wraps his arms around brothers and biggest supporters Kevin and Joe backstage at the Al Hirshfield Theatre in New York City on Tuesday night (January 24).

Joe and Kevin, along with younger brother Frankie and their whole family watched Nick make his debut as J. Pierrepont Finch in How To Succeed in Business Without Really Trying.

“Wow! @nickjonas and the cast of How to Succeed killed it tonight. I couldn’t be more proud of nick,” Joe tweeted after the performance.

In celebration of Nick‘s debut, Joe and Kevin even dressed up their dogs with bowties!

15+ pics inside…