AOA is celebrating four great years together so far!

On August 9, the group shared a cute shot to Twitter of all the members together that celebrated their anniversary. Many fans are naturally glad to see Youkyung, who is a member of their band sub-unit AOA Black, included in the photo!

The members also uploaded handwritten letters to their fan cafe. Leader Jimin writes, “Thank you for always being beside us and supporting us, and giving us strength.”

The group also shared a making-of video for their recent “Good Luck” promotions, featuring the track “Cherry Pop” off their latest mini album. Watch it below!