【TVPP】Hyorin(SISTAR) - Halo, 효린(씨스타) - Halo @ K-POP Music Fest in Sydney Live

【TVPP】SISTAR - OK GO!, 씨스타 - 오케이 고! @ Comeback Stage, Show Music core Live

【TVPP】Hyorin(SISTAR) - Bang Bang (with Ailee, Jessie), 효린(씨스타) - Bang Bang @ 2014 KMF Live

[Knowing Bros] Печальная история о том, как Кюхён пострадал из-за того, что Хёрин не дала ему сво...

Hyorin (SISTAR) - Sweet Dreams (Beyonce), 효린 (씨스타) - 스윗드림 (비욘세), Show Champion 20140319

Теперь их не узнать! Корейские актёры, которые не смогли сохранить свою природную красоту

Global Request Show : A Song For You - Halo by Hyolyn (2013.12.13)

Park Shin Hye - BEST DANCE COMPILATION [HD]

[HIT]효린-오늘같은밤이면 불후의명곡2 20110625

SBS [2013연기대상] - 축하공연(씨스타19)

SISTAR19 'Gone Not Around Any Longer' mirrored Dance Practice.

효린·다비드, 연인 감성 물씬 파이널 무대 ‘있다 없으니까’ 《Fantastic Duo 2》 판타스틱 듀오 2 EP32 [Full Performance]

[C.C] Beautiful Harmony made by Hyolyn and her Vocal Partners🎵 HYOLYN - GOODBYE #SISTAR #HYOLYN

Congratulatory Performance - Hyolyn [2018 KBS Drama Awards/2018.12.31]

【TVPP】Hyorin(SISTAR) - Erase (with Joo Young), 효린(씨스타) - 지워 (with 주영) @ 2014 KMF Live

SISTAR19 씨스타19 - 있다 없으니까(GONE NOT AROUND ANY LONGER) MUSIC VIDEO

Jessi & Hyolyn (제시 & 효린) - Diamonds [Yu Huiyeol's Sketchbook / 2017.08.02]

씨스타19(SISTAR19)의 킬링보이스를 라이브로! l 있다 없으니까, I Swear, Touch My Body, SHAKE IT, SAUCY, Ma Boy, NO MORE

[HIT]효린-Memorise 불후의명곡2 20110611

효린XGOT7, 기선제압용 특급 콜라보 ‘BLUE MOON’ 《Fantastic Duo 2》 판타스틱 듀오 2 EP32

[HOT] I am singer3 나는 가수다3 - Hyolyn - why not the same as the reason 효린 - 이유같지않은 이유 20150206