" The Jonas Brothers are teaming up with special guest Demi Lovato this summer.
Tickets go on sale May 15 for their concert tour, which begins July 27 in Dallas. More than 45 shows in North America are planned with stops also expected in Latin American and Europe.
Can't wait for the tour? The acts will launch ABC's Good Morning America's summer concert series on May 21."
Source : USAtoday.com