Much to the surprise and delight of fans, the Jonas Brothers performed a last minute free concert Thursday night  at Irving Plaza in New York.  They previewed songs from their new album Lines, Vines & Trying Times.  Fans began lining up for tickets early on in the afternoon and latecomers were left clamouring for entrance as admission was on a first-come, first-served basis.

Today, they took over Central Park for a free concert.  Both sets of pics below the break.  On Sunday, June 21 they perform live here in Toronto at the Much Music Video Awards. 

Lots of pics after the break

Click on thumbnails to enlarge

Photos:  JDH/WENN.com