Demi Lovato & Joe Jonas share the “Camp Rock” reunion at the Jonas Brothers Concert

The Jonas Brothers let Disney fans from their New Jersey concert stunned … a surprising guest, in which everyone felt nostalgic.

It went on Sunday evening in the Metlife Stadium … where the Jobros reflected on their 2008 hit -Disney film “Camp Rock” from 2008. Joe Jonas – The leadership of the film broke out and sing “Gotta Find you” and puts the fans crazy.

But then … he brought out Demi Lovato On stage – which his love interest played on the screen – the whole amount became wild.

The duo then cut some of the most popular songs from the film, such as “would not change” and “This is me”.

For a long time it was for this reunion … After “This Is Me”, Demi and Joe told the crowd that they hadn't performed the song live for about a decade.

What that makes all the more interesting … Demi and Joe had dated in 2010 – but continued a solid friendship after their separation.

In addition to Demi, the brother band also brought out Jesse McCartney To list his hit song “Beautiful Soul” and his former bodyguard Big Rob For “Burnin 'Up”.