Birth Name: Jung Soo Jung [Korean Name: Hangeul 정수정] Krystal Jung [English Name]

Stage Name: Krystal

Group: f(x) [Flower: Double X Chromosome]

Agency: SM Entertainment

Position: Lead Vocalist, Maknae

Fandom (Personal): Krystalized

Birth Place/Date: San Fransisco, 24 October 1994

Nationality: Korean-American

Height: 165 cm

Weight: 45 kg

Blood Type: A

Zodiac: Scorpio

Casting: 2006 SM Casting System

Speciality: Acting, Dancing, Singing

Language: English, Korean, Chinese

Education: Korea Kent Foreign School, Hanlim Multi Arts School, Sungkyunkwan University [Acting/Theater Major]

Family: Father, Mother, Older Sister (SNSD’s Jessica)

Me2day :


2002  : Lotte Chaurin Green Tea with Han Ga-In
2003  : Yuhan Kimberly
2003  : Ohdduki Curry
2003  : EO
2006  : Korea Life
2006-2007  : Yoon’s English Academy
N/A   : Bakhakchun Language BIBLE
N/A   : SK LG Telecom
N/A   : Lotte Chilsung Cider
2010-2011  : Clean and Clear with Seohyun (SNSD)

Video Clip Cameo

2000  : Shinhwa – Wedding March (as little girl)
2006  : Rain – Still Believe (as Herself)
2009  : SHINee – Juliette (as Juliette)
2010  : Alex – Sweet Dreams (as Herself)
2010  : f(x) Krystal – Melody (as Herself)

Television Career

2010: Cameo role: MBC Charming By The Day (as Jung Soo Jung)

2011: Kim Yuna’s Kiss and Cry

2011: MBC High Kick! Season 3: Revenge of The Short Legs (as Ahn Soo Jung)

2011: SBS Welcome To The Show (Herself as cameo)

2013: SBS Drama The Heirs (as Lee Bo Na)

2014: SBS My Lovely Girl (as Yoon Se Na)



KBS2 Invisible Lee Pyung Kang OST: “Hard but Easy” with Luna


KBS God of Study OST: “Spread Its Wings” with Luna & Amber

KBS Cinderella’s Sister OST: “Calling Out” with Luna

Melody Project part II Moderato: “Melody” (Moderato)


SBS Sign OST: “Because of Me”


SBS To The Beautiful You OST: “Butterfly” with Jessica

Cobu 3D: “Say Yes” with Jessica & Kris

Personal Awards

2010 MBC Entertainment Awards : Rookie Comedy Award category More Charming By The Day


  • Her korean name is 정수정 (Jung Soo-Jung), 수정 means crystal in Korea
  • Likes eye shopping
  • Likes British accent
  • Got casted earliest among the f(x) members
  • Her name Krystal, isn’t a made up stage name, it’s her chosen American name when she was born.
  • She managed to reached 1.9m during the Yeoja Dream Team (ep. where Amber and Luna came to cheer for her) but she was not feeling well. after that she was taken to hospital to check her condition.
  • Loves taking sel-ca
  • Has  a lot of CFs experience among her bandmates (counting since she was little)
  • For her music is a joy
  • She will picks someone who is uglier than her as her boyfriend, because she doesn’t want her boyfriend have a lot of girlfans and keep stalking him when they’re dating
  • Her blood type is A
  • At first people thought that she’s SNSD’s Yoona’s sister since they’re look alike
  • Many people said that she looks like SNSD’s Yoona and Yuri instead of her sister Jessica
  • Loves hats
  • On her sitcom More Charming By The Day she often said ‘WOW!’
  • Her iPod is red
  • Always bring body lotion in her bag
  • Most of the books in her house is English books
  • Allergic to apple but she loves it
  • Really likes mango and avocado
  • One of her favorite food is Burrito, it’s a Mexican food
  • Taller than her sister, SNSD’s Jessica
  • Has a bear keychain with Harvard University written on it
  • She’s an easygoing person
  • She calls Amber just by her name without ‘unnie’
  • For her f(x)’s something that very precious
  • Really hates cucumber
  • She can speaks English, a bit Japanese and Chinese
  • She wants to learn French
  • She doesn’t go to dorm like the other members, she goes to her house since it’s not too far from their dorm
  • Her favorite song from Chu~ album is You’re My Destiny
  • She broke the female high jump record at Dream Team 2 with SHINee’s Minho
  • She used to go to Korea Kent Foreign School before goes to Hanlim High School majoring Entertainment and Arts
  • UKISS’ Dongho is her classmate
  • On 2010 she won the Rookie Comedy Award at MBC Entertainment Awards
  • She prefers people to call her by her Korean name, Soojung, over Krystal
  • According to Luna, her Korean pronunciation really sounds like English
  • Loves meat
  • SS501’s Kim Hyun Joong stated that she’s prettier than her sister
  • Doesn’t want a romantic love story, she prefers a normal kind love
  • Likes to read English books/magazines
  • She will picks puppy as her pet
  • When SM Town concert in LA, at Sheraton Hotel she signed for all her fans until the security lady told her to stop
  • Thinks that Audrey Hepburn is close to perfect
  • She’s very enthusiastic when she sings
  • She attended the same university (Sungkyunkwan University) with KARA’s Jiyoung

Heart-Warming Soojungie




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