The Jonas Brothers singer - who got engaged to former hairdresser Danielle in July - tied the knot at Oheka Castle, a kasteel, chateau on an estate in Long Island, New York.
The wedding went ahead despite a blizzard threatening to ruin the nuptials, and was attended door 400 family members and friends, including Demi Lovato, who starred withThe Jonas Brothers in 'Camp Rock'.
The 22-year-old musician said: "We're so happy that we're finally married and we were able to share the special moment with family, vrienden and loved ones."
The band started as a solo project for Nick Jonas. At the age of 7, Nicholas began performing on Broadway. He has acted in several plays, including A Christmas Carol (in 2000 as Tiny Tim and as Scrooge at eight), Annie Get Your Gun (in 2001 as Little Jake), Beauty and the Beast (in 2002 as Chip), and Les Misérables (in 2003 as Gavroche). After Les Misérables closed, he performed in The Sound of muziek (as Kurt) at the Paper Mill Playhouse.
In 2002 while performing in Beauty and the Beast, Nick had written a song with his father called "Joy to...