Joe Jonas Treated and Released From ER

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Rest easy Jonas Brothers fans -- Joe Jonas is perfectly fine.
After multiple media sources reported that Joe Jonas checked into the emergency room of Children's Hospital in Los Angeles Sunday night for severe stomach pain, ET can now confirm that Joe Jonas was in fact in the ER, treated, and has been released.
According to his rep, the middle Jonas bro is "doing fine."
Joe himself took to Twitter to assure his fans he was OK. "Hey everyone I'm fine I'm fine :-) thanks for the concern," he tweeted today.