JonasCon took place this past weekend in the Jonas Brothers’ home state of New Jersey, and we got into the huge event! From an interview with the brothers to their surprise concert and unexpected guests, keep watching to catch everything you missed at JonasCon. Did you attend JonasCon? Let us know in the comments ►► Subscribe for more music news: http://blbrd.cm/Proracf ►► See our latest videos: http://blbrd.cm/xOgw6VQ About: Billboard is the world's most influential music media brand, with an

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