Nick Jonas: 'How to Succeed' Debut on Broadway!

Kevin and Joe Jonas pose with younger brother Nick backstage at The Al Hirshfeld Theatre on Tuesday (January 24) in New York City.

The youngest sibling in the family, Frankie, also came out to support Nick who made his debut 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.

Nick took over the starring role of J. Pierrepont Finch from Glee‘s Darren Criss who succeeded the Broadway musical’s original star Daniel Radcliffe.

15+ pictures inside of Kevin, Joe, and Nick Jonas at the How to Succeed in Business Without Really Trying show in NYC…