Both former and current artists of JYP Entertainment recently attended Park Jin Young’s solo concert!

On December 30, Park Jin Young held his “NO. 1 x 50” concert at Olympic Hall in Seoul. After the show, a number of celebrities showed their support for their mentor on Instagram.

GOT7’s JB, BamBam, and Youngjae attended the show, and JB later uploaded a photo of the trio posing with Park Jin Young. He wrote, “You worked hard, hyung!”

DAY6’s official Instagram account shared photos of Wonpil, Young K, and Sungjin meeting Park Jin Young backstage with a caption that read, “We went to the concert of a senior artist we really respect! We were able to learn and feel many things. We’ll also work hard to hold great concerts and perform like this!!”

Sunmi showed off her friendship with Park Jin Young as she wrote on her Instagram, “This picture is my favorite.”

Former Wonder Girls member Ahn So Hee also posted her own photo from the show and wrote, “Best. Friend. You’re so cool! Let’s go, 60th birthday performance.” She then made a joke referencing Sunmi’s recent Instagram exchange with Park Jin Young as she continued, “Producer, I won’t be losing followers too, right..?”

2PM’s Nichkhun snapped a photo with Park Jin Young and wrote a heartfelt post in English. His caption read, “You are pretty much a teacher/father/brother to me and I am proud and honored to be included in your legend of making more than 50 No.1 hit songs on the charts. Thank you for teaching me so much always.”