Photos from the set of JOO's music video for her comeback single, "Bad Guy", were recently unveiled through her official website.�Featuring both herself and 2PM's Chansung, fans can catch a glimpse of the close friendship between the labelmates as they work together. Additionally, both JOO and Chansung posted personal pictures from the set onto their Twitters. 2PM's Taecyeon, is seen making a 'mini cameo', and visited the two during filming. JOO posted a photo of herself pointing a bubble gun at the mini-Taecyeon, and she said,�"The real bad guy..... was Taecyeon oppa hehehehe." Meanwhile, Chansung uploaded a comical series of photos explaining Taecyeon's appearance:

"The day of JOO's MV filming.. Taecyeon hyung monitoring... kekekekekeke And checking the pictures .. keke And talking with me... kekeke How was it!?"

Check out the photos below! [gallery columns="4"] For pictures from the set of her album jacket photoshoot, check out her official website! Source: JOO's official website, JOO's�Twitter, & Chansung's Twitter