Park Ji Yoon recently made her comeback with the release of MVs for "Inner Space" and title track "Beep." �Now, her agency Mystic89 uploaded behind-the-scenes footage from the sets of both MVs!

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In the "Inner Space" video, Park Ji Yoon looks very pretty and feminine in white outfits and naturally wavy hair, �but she transforms into a retro diva for "Beep," wearing bright colors and sporting big hairstyles. �Not to mention, there were many cameo appearances in that MV, so you can see shots of stars like Yoo Jae Suk, Park Myung Soo, HaHa, and Jay Park learning the moves and showing off their own in the dance spotlights. �It's like one big party!

Check out the videos below.