131229 SNSD Hyoyeon 효연 - SBS 가요대전 Express999
140605 SNSD Hyoyeon 효연 - Baby G Mr Mr (140320)
[Digitalpainting]Girls' Generation(SNSD) - Hyoyeon(효연)
snsd 130210 매직콘서트 - Hyoyeon 효연 cut
130212 HYOYEON POPPING DANCE CUT
131231 SNSD Hyoyeon 효연 - MBC 가요대제전 I Got a Boy
[Compilation] 180512 Hyoyeon 효연 (HYO) - 'Sober' Korea Club Tour at Club M2 (Advanced's guest)
[HD720p - 110818] 소녀시대 효연 Hyoyeon - Solo Dance (Into The New World 1st Asia Tour Concert)
#Hyoyeon 효연 |Deal with it
131122 HyoYeon & SeoHyun During EXO's Perf HD
140610 Hyoyeon 효연 'Criminal' - SNSD JAPAN 3RD TOUR (140606)
Girls Generation 소녀시대 My Child + Kissing You SMTOWN Week 131229 HD 1080p
에프엑스 소녀시대 소녀시대
[SNSD] Jessica HyoYeon Dancing to Secret @ 2011 SBS Gayo Daejun -
SNSD I Got A Boy - Hyoyeon Singing Cuts (Live Performance Compilation)
[Fancam] 170708 Hyoyeon 효연 - HOOT @ SMTOWN in Seoul
[SMTown Live '10 Los Angeles] Seohyun and Hyoyeon on the Escalator
[댄싱9_Dancing9] 소녀시대 효연의 팝핀&웨이브!935
[FAN CAM] SNSD- Genie(Tell Me Your Wish) @KPOP NIGHT
효연개인무대
![[Digitalpainting]Girls' Generation(SNSD) - Hyoyeon(효연)](https://img.youtube.com/vi/OaSXH0TbQsU/0.jpg)
![[Compilation] 180512 Hyoyeon 효연 (HYO) - 'Sober' Korea Club Tour at Club M2 (Advanced's guest)](https://img.youtube.com/vi/FDD1d5_0sbE/0.jpg)
![[HD720p - 110818] 소녀시대 효연 Hyoyeon - Solo Dance (Into The New World 1st Asia Tour Concert)](https://img.youtube.com/vi/njjbgdCb8l4/0.jpg)
![[SNSD] Jessica HyoYeon Dancing to Secret @ 2011 SBS Gayo Daejun -](https://img.youtube.com/vi/QTltDBmoSkw/0.jpg)
![[Fancam] 170708 Hyoyeon 효연 - HOOT @ SMTOWN in Seoul](https://img.youtube.com/vi/ZSObJ14yu3I/0.jpg)
![[SMTown Live '10 Los Angeles] Seohyun and Hyoyeon on the Escalator](https://img.youtube.com/vi/VAUxa72PzPc/0.jpg)
![[댄싱9_Dancing9] 소녀시대 효연의 팝핀&웨이브!935](https://img.youtube.com/vi/23mZGcKBMZk/0.jpg)
![[FAN CAM] SNSD- Genie(Tell Me Your Wish) @KPOP NIGHT](https://img.youtube.com/vi/5GmPelgtZI8/0.jpg)
