Hyolyn

Kim Hyo-jung (born December 11, 1990), better known by her stage name Hyolyn (효린), is a South Korean singer and songwriter.

Currently, she is under the management of Bridʒ, a production company she founded herself.

She is a former member of the South Korean girl group Sistar and their sub-unit Sistar19.

Kim Hyo-jung was born on December 11, 1990, in Incheon, South Korea.

Her father is a retired Marine Corps officer.

Born prematurely, Hyolyn's infancy was complicated by a serious form of biliary atresia, which led to several surgeries, intussuseption and the eventual loss of her gall bladder.

Starship began forming a new girl group in 2010, with Hyolyn as the leader.

The group were praised for their fresh faces and vocal abilities.

On June 3, 2010, Hyolyn made her debut as a member of Sistar on KBS' Music Bank with their debut single, "Push Push".

She explained on the TV program Strong Heart in 2011 that she grew up a sickly child but has since regained most of her health.

Hyolyn has one younger sister, Kim Hye-Jung.

Hyolyn stated that she has loved singing and dancing since childhood and that no one was around to help her so she began picking up auditions on her own.

She auditioned for JYP Entertainment two times before being accepted after placing first in the audition.

She was set to debut in a project group with Secret's Jieun, EXID's Hani, and Bestie's Uji.

However, plans for their debut were cancelled.

Hyolyn then left JYP and joined Starship Entertainment, auditioning with a cover of Christina Aguilera's "Hurt".

In early 2011, Hyolyn and group member Bora formed the sub-group Sistar19.

They released the successful single "Ma Boy" in 2011 and on October 17, 2011, Hyolyn released the single "Ma Boy 2", featuring Electroboyz.

In 2012, Hyolyn starred in the KBS drama Dream High Season 2 as Nana, a famous idol from the fictional girl group Hershe.

She teamed up with Ailee and T-ara's Jiyeon for the song "Superstar" for the soundtrack.

Their first EP Gone Not Around Any Longer, with a title track of the same name, was released in January 2013 and was met with success on several music charts.

In August 2013, Hyolyn sang an OST for the SBS' drama, Master's Sun, titled "You Make Me Go Crazy".

On November 22, she shared the stage with Stevie Wonder for a special performance of "I Just Called to Say I Love You" at the 2013 Mnet Asian Music Awards, one of South Korea's biggest music award shows.

Hyolyn made her solo debut on November 26 with the album Love & Hate.

The album contained double title tracks, "Lonely" and "One Way Love", featuring Korean rappers Mad Clown, Block B's Zico, Dok2, and Geeks' Lil Boi, and some tracks produced by Brave Brothers and Kim Do-hoon.

Both of the album's singles saw success, with "One Way Love" winning first place on several music shows, placing number one on Gaon's Weekly Digital Chart and number one on Billboard's K-Pop Hot 100, with "Lonely" falling at number four and number three respectively.

On December 31, the music video for the Korean version of "Let It Go" for Disney's animated film Frozen, sung by Hyolyn, was revealed.

In January 2014, Hyolyn released an OST for the drama My Love from the Star titled "Goodbye".

On March 28, Starship Entertainment announced on their Twitter account that Hyolyn would feature in Mad Clown's comeback track, "Without You", released on April 3.

She also participated in rapper MC Mong's comeback to the Korean scene after five years with the album Miss Me or Diss Me, released on November 3.

On November 20, she collaborated with singer-songwriter and fellow label mate, Jooyoung, on a track titled "Erase (지워)" featuring Iron, which peaked at number nine on the Gaon Weekly chart.

Hyolyn was the first idol group singer to participate in the Chuseok special of the music variety show I Am a Singer that aired on September 9.

She ranked second overall.

On January 13, it was revealed that Hyolyn was to join MBC's I Am a Singer Season 3 as the first idol singer to feature on the show.

She was the first contestant eliminated from the show but still impressed viewers with her song choices, especially her emotional rendition of Lee Sun-hee's classic ballad "Fate", which brought the audience to tears.

On April 2, Hyolyn teamed up with her bandmate Soyou to cover K.Will's song "Growing" as Starship Entertainment's cover project.

On August 17, it was revealed that Hyolyn was to join Unpretty Rapstar Season 2.

Hyolyn released her Unpretty Rapstar's semi-finals track "My Love" featuring Basick on November 6, 2015.

She finished the show in third place.

On December 14, Hyolyn, Jooyoung, and Bumkey collaborated with producing team Da Internz on the song "Love Line".