As Jay Park dropped his new music video and album, the R&B/rapper took the time to thank 4minute's HyunA for featuring in the music video for "YOU KNOW" on Nov. 5.

"Thank you for appearing in my music video," Park said on his Instagram on Thursday.

In the picture, HyunA is making a sexy pose at the camera, blowing a kiss, while the "Solo" singer has his arm around HyunA's waist.

HyunA also posted a picture of the two, saying, "Fighting, handsome oppa (older brother)" on her Instagram.

Park released his new album WORLDWIDE on Nov. 5 through various music websites.