Love is in the air once again as YoonA was out to show her support for HyoYeon!
She went to watch HyoYeon's 'Mystery' debut on Music Core, and below are their adorable pictures which they took at the backstage~
"HyoYeon: Thanks to Yoona, my strength is coming to life 😍 #LoyalYoong"
"Mystery 🎶 #HyoyeonUnniesFirstSoloSong #Mystery #PrettyCoolWellDone"
The pictures weren't enough? You can also watch their V Live broadcast~
Skip to 44:55s to watch HyoYeon and YoonA
Hyoyeon and YoonA's Instagram