Joe Jonas broke down on stage at the weekend, fuelling rumours he has split from girlfriend Camilla Belle.
Fans report that the middle Jonas - who has been dating the Push actress for the past eight months - cried TWICE during the band's show in Detroit on Sunday.
In the video below, Joe can be seen on the giant screens which form part of the boys' stage set having an 'emotional' moment during I Gotta Find You.
He is said to have become teary-eyed again during new song Turn Right.
Joe also changed song lyrics to apparently refer to his newly-single status.
During Much Better, he sang, "Get a rep for breakin hearts, now I'm done with movie stars”, in place of "...now I'm done with superstars.”
While singing the same song in Boston last week, he symbolically removed a necklace, which fans speculate was the one given to him by Camilla (skip to 2.29 below.)
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