(From Left to Right) Dahye, Haeryung, Hyeyeon, and U-JI
- Birth Name: Jung Yu Ji
- Stage Name: U-JI
- Birthday: January 2, 1991
- Position: Lead Vocalist
- Height: 168 cm
- Weight: 50 kg
- Twitter: @bestie_UJI
- Former trainee of JYP
- -She is a former member of EXID
- Birth Name: Kang Hye Yeon
- Stage Name: Hyeyeon
- Birthday: December 28, 1990
- Position: Leader, Main Vocalist
- Height: 165 cm
- Weight: 48 kg
- Instagram: @hyeyeon_2
- Twitter: @bestie_HY
- -She's a former member of EXID where her stage name was Dami
- Birth Name: Na Hae Ryung
- Stage Name: Haeryung
- Birthday: November 11, 1994
- Position: Maknae, Vocalist
- Height: 168 cm
- Weight: 50 kg
- Instagram: @bestie_hr
- Twitter: @bestie_hr
- -She is a former member of EXID
- Birth Name: Song Da Hye
- Stage Name: Dahye
- Birthday: June 12, 1993
- Position: Main Rapper, Vocalist
- Instagram: @dahye0612
- Twitter: @BESTie_Dahye
2013: Debut, Love Options & Zzang Christmas Bestie debuted on July 11, 2013, with the release of "Pitapat". The group held their debut live performance on KBS Music Bank on July 12, 2013. On October 16, 2013, a music video for Bestie's second single, "Love Options", was released.
The group held their comeback stage the same day on Mnet's M! Countdown. On December 12, 2013, it was announced that Bestie would be releasing "Zzang Christmas", a Christmas themed digital single, on December 17, 2013 2014: Thank U Very Much
Bestie performing Thank U Very Much in Seoul, March 2014. On February 21, 2014, image teasers for Bestie's fourth single, Thank U Very Much, were released.[5] On February 28, 2014, the single was digitally released, with an accompanying music video.[6]