Check out TaeTiSeo's group picture with Mamamoo

Taken at the backstage of Music Bank's Year-End Special, here are TaeYeon, Tiffany, and SeoHyun together with the girl group named Mamamoo.

Take a look at their lovely group photo below~

♥ Watch TaeTiSeo's performances from Music Bank here

Credits:
Mamamoo's Twitter