Joe and Nick Jonas We Don't Need All Our Bros To Perform

EXCLUSIVE
1113-jonas-brothers-split-gettyThe Jonas Brothers are 2/3 the group they used to be, because we've learned Joe and Nick have hit the road to perform ... sans brother Kevin.

Joe and Nick showed up in Mexico City Tuesday night for the Telehit Awards Concert.  It was a previous commitment that they agreed to before breaking up.

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We're told Joe and Nick felt bad about bailing, whereas Kevin said, screw it.

If you want to brave the dangers of Mexico to see the last of the Jonas' ... book your tickets now.

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