Nicholas Jerry "Nick" Jonas (born September 16, 1992) is an American singer-songwriter, musician, actor and multi-instrumentalist, best known as one of the Jonas Brothers, a pop-rock band he formed with his brothersJoe and Kevin. The Jonas Brothers originally started as an attempted solo singing career for Nick, but the record producer liked the sound when his brothers sang backup for him. He previously starred in the Disney Channel original series JONAS L.A. as Nick Lucas, alongside his brothers. He also starred in the Disney Channel original movie Camp Rock and Camp Rock 2: The Final Jam along side Demi Lovato. He recorded both movies' albums and a song Send It On with Demi. he is a close friend of hers and was also called by her to be her guest mentor on the 2nd season on The X Factor.