[ENG] 태연이도 인정할(지는 모르는) 효리수 메인 보컬 탄생 / 가짜 김효연 EP.12 보컬 편(소녀시대 유리, 수영)
[ENG] 소녀시대 20주년이면 메인보컬 바꿀 때도 됐잖아 (ft.효리수 데뷔 임박) / 가짜 김효연 EP.04 보컬 편 (티파니)
Taeyeon always smiles when she's with Hyoyeon
Girls' Generation YOONA and HYOYEON's daytime drinking
[댄싱9/Dancing9] Girls' Generation & EXO Special Collaboration Stage (No Cut)!
[yurangmarket] Revealing Girls' Generation Hyoyeon's luxurious house! #girlsgeneration
HYO 효연 ‘DESSERT (Feat. Loopy, SOYEON ((G)I-DLE))’ MV
HYOYEON 효연 'Wannabe (Feat. San E)' MV
[STATION] HYOYEON 효연 'Mystery' MV
HYO 효연 'DEEP' MV
Power Dance SNSD - Hyoyeon
[STAR ZOOM IN] SNSD Hyoyeon's Powerful Dance with EXO KAI · Lay (Preview Entries of 'Hit The Stage')
Girls' Generation 소녀시대 NOW_HyoYeon
HYO 효연 'Second (Feat. 비비 (BIBI))' MV
SNSD HyoSic #11 - Hyoyeon knows Jessica too well
HyoYeon_효연_SM Town Solo Dance
SNSD Hyoyeon Yuri Yoona Dance - Deja vu , Apr10.2010
HYO 효연 'YES' Official Video
120505 Snsd Hyoyeon - Gee @ IY 2 Funny Cut
All SNSD Korean MVs but only when Hyoyeon is singing
![[ENG] 태연이도 인정할(지는 모르는) 효리수 메인 보컬 탄생 / 가짜 김효연 EP.12 보컬 편(소녀시대 유리, 수영)](https://img.youtube.com/vi/nxfzr5ByhhQ/0.jpg)
![[ENG] 소녀시대 20주년이면 메인보컬 바꿀 때도 됐잖아 (ft.효리수 데뷔 임박) / 가짜 김효연 EP.04 보컬 편 (티파니)](https://img.youtube.com/vi/g00kcuxXMa0/0.jpg)
![[댄싱9/Dancing9] Girls' Generation & EXO Special Collaboration Stage (No Cut)!](https://img.youtube.com/vi/yb4uNVbT4KY/0.jpg)
![[yurangmarket] Revealing Girls' Generation Hyoyeon's luxurious house! #girlsgeneration](https://img.youtube.com/vi/nRKY5k4sl98/0.jpg)
![[STATION] HYOYEON 효연 'Mystery' MV](https://img.youtube.com/vi/nQxJFZk4APU/0.jpg)
![[STAR ZOOM IN] SNSD Hyoyeon's Powerful Dance with EXO KAI · Lay (Preview Entries of 'Hit The Stage')](https://img.youtube.com/vi/OhVKIUgkXMg/0.jpg)
