PHOTO ARCHIVE: Nick Jonas on the Musical Theatre Stage

Pop star Nick Jonas, most recently on Broadway in the Tony Award-nominated revival of How to Succeed in Business Without Really Trying, celebrates his 21st birthday today.

Though best known as a Disney Channel icon and part of the Jonas Brothers, the 18-year-old Jonas got his start on the musical theatre stage. He has previously appeared on the main stem in Beauty and the Beast, Les Miserables and Annie Get Your Gun.

Other theatre credits include Tiny Tim in A Christmas Carol (Madison Square Garden), Marius in Les Miserables (London), Kurt in The Sound of Music (Paper Mill) and Link in Hairspray (Hollywood Bowl).