"Every single member is so precious to me and like family to me.. I may joke around with them a lot but I can’t talk seriously with them..because it’s awkward for me. But on the inside, I really do think of each one of you so much and I want you all to know that." —Hyoyeon

Kim Hyo Yeon (born September 22, 1989), better known as Hyoyeon, is a South Korean singer, dancer, DJ and television personality. She is best known for being a member of the K-pop girl group, Girls' Generation as well as the subunit, Oh!GG.

Early lifeEdit

Hyoyeon was born in Incheon, South Korea on September 22, 1989. She is ambidextrous and grew up with her parents and her younger brother Kim Min-gu.

During her childhood, Hyoyeon attended a small neighborhood dance class, learning Jazz, Hip-hop, and Latin dance. In 1999, she began attending Winners Dance School, a famous dance school in South Korea, which taught popping, locking and other Hip-hop dance styles.

Hyoyeon auditioned to S.M. Entertainment at the age of 11 through the S.M. 2000 Casting System and passed her audition which was dancing, thus she became a trainee under S.M. and trained for her career for six years and one month before debut. Hyoyeon revealed she had no intentions to audition, however, her mother was a fan of S.M. Entertainment's boy band H.O.T. and brought her to the offices in the hopes of seeing them. In 2004, she was sent to study Mandarin Chinese and to learn more about Chinese culture in Beijing, China with labelmate, Choi Siwon.

Hyoyeon also received dance instructions from the Electric Boogaloos, and other top dance choreographers such as Poppin Seen, Kwon Seon-jin, Shim Jae-won and several others.

Predebut, Hyoyeon also worked with Janet Jackson and was BOA's silhouette dancer during a performance at the Music Festival 2005, she furthermore was a member of the dance group, Little Winners, with current Miss A member, Min, the duo danced at various showcases.

Career Edit

Hyoyeon is a sub vocalist and main dancer, in the girl group, Girls' Generation, which debuted in 2007. She is well known for her brilliant dancing ability, earning her the nickname, Dancing Queen.

Hyoyeon made a cameo, acting in the drama, Oh! My Lady and was on the second season of Invincible Youth, alongside band mate Sunny. Hyoyeon joined the second season of the Korean Dancing with the Stars, in 2011, her dance partner was Kim Hyung Seok, and they came second place in the competition. Hyoyeon was named Topshop's Asia Ambassador in May 2013 and was a member of the one hit group, Younique Project, and they released the single "Maxstep" to promote the Hyundai brand. She has appeared on many shows and was a guest on the show, Jessica and Krystal. Hyoyeon furthermore featured in the music video for "Shake That Brass" by Amber featuring Taeyeon and the music video for "Whoa Ah!" by VASCO.

Hyoyeon in 2015, starred in a reality television show called Hyoyeon's One Million Likes,  she also released her own book, Hyo Style.  In May 2015, became a cast member on the Korean Chinese television show, Star Advent. And on February 3, 2016 was a special MC on the Television show, Get It Beauty.

In August 2016, Hyoyeon debuted in a group called Triple T, with Jo Kwon from 2PM and Min from Miss A, the trio released the song, "Born To Be Wild" featuring Park Jin-young. In December 2016, Hyoyeon released a solo song, "Mystery" under SM Station.

On June 1st, 2017, Hyoyeon released the single "Wannabe" featuring rapper, San E.

In 2018, Hyoyeon began her DJ career, taking the psuedoneym, Hyo. She released the single, Sober on April 18, 2018 under the new name.

In August 2018, S.M. Entertainment announced the formation of the Girls' Generation subunit Oh!GG, consisting of the remaining Girls' Generation members. The group is set to debut on September 5, 2018 with the single "Lil' Touch".

Personal Life Edit

Hyoyeon currently lives in Girls Generation's dorm in Seoul, South Korea with her pet poodle dogs, Vivian and Barbara. In 2014, it was revealed that Hyoyeon in the past two years, had been dating 35-year-old writer Kim Jun Hyung. The two however on April 1, 2014, broke up because of an incident where Hyoyeon accidentally hit him and she was reported to the police for assaulting him.

Hyoyeon is close to Miss A's Min and her band-mate Seohyun who she also shares her dorm with f(x)'s Amber.


  • Name: Kim Hyo Yeon (김효연)
  • Stage name: Hyoyeon (효연)
  • Nicknames: Princess Fiona, Dancing Queen, Specialist HY, Kim Yeolsa (ten-year old Kim)
  • Birth date: September 22, 1989
  • Horoscope: Virgo
  • Birthplace: Incheon, South Korea
  • Position: Main Dancer, Main Rapper, Supporting Vocalist
  • Blood Type: AB
  • Height: 158cm or 5'2
  • Weight: 45 kg (99.2080 lbs)
  • Languages: Chinese (Fluent), Japanese (Basic), English (Basic)
  • Education: Chungbuk Middle School
  • Hobbies: Shopping, Movies
  • Favorite food: Soup, Korean food
  • Favorite fashion: Feminine Shoes with Baggy Pants
  • Motto: "Everyone that works hard will succeed."
  • Roommate: Jessica (Old Dorm), Seohyun (New Dorm)
  • Personality: Funny, sweet natured, easygoing, quirky, honest.
  • Name Meaning: In Korean, Hyoyeon means 'filial abyss.' 'Filial abyss' is used to describe a child who is either very stubborn, self reliant and independent or very obedient.


Digital singlesEdit



Television dramaEdit

  • [2008] Unstoppable Marriage (cameo)
  • [2010] Oh! My Lady (cameo)

Variety showsEdit

  • [2007] Cutie Honey, Mini Musical
  • [2011.11.12 ~ 2012.11.17] Invincible Youth 2
  • [2012] Dancing With the Stars 2
  • [2013] Dancing 9
  • [2015] Immortal Song 2

Television show hostingsEdit

  • [2008.xx.xx] Star Live Power Music
  • [2009.08.27] Mnet's The M
  • [2012.07.04] Show! Music Core
  • [2013.01.03] M! Countdown

Hosted eventsEdit

  • [2014.03.22] HEC Korea Festival in Vietnam