140402 SISTAR (Hyorin Fancam) Hello,Goodbye

140402 SISTAR (Hyorin Fancam) Bad Boy + Hey You

【TVPP】Hyorin(SISTAR) - Hello, Goodbye, 효린(씨스타) - 안녕 @ I Am a Singer 3

Hyorin (Sistar) - (안녕) Hello, Goodbye (Live Performance) [OST You Who Came From The Star]

▶ 140402 SISTAR (Hyorin Fancam) If you want

[MPD직캠] 씨스타 스페셜 스테이지 효린 직캠 (SISTAR Special Stage HYORIN FanCam) | @MCOUNTDOWN_2017.6.1

HYORIN (Sistar) - Hello (Adele) [Pikicast]

Hyorin - Hello Goodbye [Karaoke Subs + Instrumental + Eng]

[MPD직캠] SISTAR 직캠 애처럼 굴지마 Don't Be Such a Baby SISTAR Fancam Mnet MCOUNTDOWN 150625

[MPD직캠] SISTAR 다솜 직캠 SHAKE IT SISTAR Dasom Fancam Mnet MCOUNTDOWN 150625

Electroboyz - Ma boy 2 feat. (Hyorin from Sistar)

[Section TV] 섹션 TV - SISTAR Hyorin, match well 'Lovely villainess' concept 20150628

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

【TVPP】Hyorin(SISTAR) - Sad Relationship, 효린(씨스타) - 슬픈 인연 @ Yesterday Live

【TVPP】Hyorin(SISTAR) - Enjoy Drinking Alcohol, 효린(씨스타) - 술 즐겨 마시는 효린, 주당 인증! @ Radio Star

【TVPP】Hyorin(SISTAR) - Lonely, 효린(씨스타) - 론니 @ First Solo Debut, Show Music core Live

[HOT] Ailee & Hyorin(SISTAR) - Let it go, 에일리 & 효린 - 렛잇고, Celebration 400th Show Music core 20140308

【TVPP】SISTAR - Date with Hyorin & Soyou [2/2], 씨스타 - 매력돌 효린 & 소유와의 아찔한 데이트 [2/2] @ Section TV

140402 SISTAR Mini Concert _S_ in Hong Kong - SISTAR19 있다 없으

[Music bank in Ha Noi] Hello VietNam - Hyorin

[MPD직캠] SISTAR 보라 직캠 SHAKE IT SISTAR Bora Fancam Mnet MCOUNTDOWN 150625