J.Y. Park had the first concert performance for his 'Bad Party [The Halftime Show]' national tour on December 19!  The singer tweeted a picture of the venue along with, "How was the first concert performance today? ^^"

JYP Nation also took a nice large group photo backstage, which included Wonder Girls, Sunmi, miss A, Jo Kwon, and Nichkhun.  Jo Kwon and miss A's Min and Jia posted the picture onto their SNS to show their family love and support.  

SEE ALSO: Jo Kwon opens up about how he was willing to leave his celebrity life behind for his first love on 'Strong Heart VS'

Nichkhun posted another picture of the venue onto Twitter and wrote to J.Y. Park, "Hyung!!  I really enjoyed the concert!!!  I think it was the most fun concert out of all the ones I've watched!  Fighting on the remaining three days!!!^^??"

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