Stage Name: Ice Princess JESSICA (얼음공주 제시카 – eoleum gongju Jessica)
Birth Name: Jessica Jung (제시카 정)
Korean Name: Jung Soo-yeon (정수연)
Nicknames: Sica, Jessi, Jess, Sergeant Sic, General Sic, Sicachu, Sickal (knive), Sica-sama
Position: Main Vocalist
Date of Birth: April 18, 1989
Zodiac Sign: Aries
Sibling(s): 1 younger sister (Krystal Jung)
Language: Korean (Fluent), English (Fluent), Chinese (Basic), Japanese
Casted: 2000 SM Casting System
Training Duration: 7 Years 6 Months
School: Korea Kent Foreign School (K.K.F.S.) [graduated]
- 2007 MV Kim Jo Han – ‘Love is so late, I’m sorry‘
- 2007 Featured with 8eight ‘I Love You‘
- 2009 Featured with Park Myung Soo ‘Naengmyun‘
- 2009 MV Super Junior M – ‘Super Girl‘
- 2009 Musical ‘Legally Blonde – The Musical‘ (as Elle Woods)
- 2010 CF Song for SPC Corp. (Dunkin Donuts, Paris Baguette, Baskin Robbins) ‘Sweet Delight‘
- 2011 OST for KBS drama Romance Town ‘Because Tears are Overflowing‘
- Nicknamed as Ice Princess, Sergeant Sic, and Sica-sama because of the cold, predominant vibe she has.
- Jessica is often considered as a real-life tsundere; A tsundere is a Japanese manga/anime character development process that describes a person who is initially cold and even hostile towards another person before gradually showing their warm side over time.
- Jessica was born in San Francisco, California. After street-casted by SM Entertainment when she was 11 year-old, she and her family moved to South Korea.
- Jessica trained for more than seven years before debuting with SNSD, making her the one who trained longest among the nine members.
- Her younger sister, Krystal Jung, is a member of label-mate idol group, f(x).
- Jessica is allergic to cucumber.
- Jessica is SNSD’s resident sleepy-head. She can sleep up to 16 hour a day and is the hardest member to wake up.
- Jessica once revealed that her hobbies are soccer and boxing. She also loves reading books and magazines.
- She made her musical debut as Elle Woods in the musical adaptation of Legally Blonde.
- A “Sica Effect” (Sica Hyogwa) is when the atmosphere went down or turned cold once Jessica said something.
- Jessica is close to FinKL’s Ock Juhyun and actress Park Minyoung of drama Sungkyunkwan Scandals fame.