Hyein is a South Korean singer and former child model, best known as the youngest member of the popular K-pop girl group NewJeans. She joined the entertainment world at just eight years old and debuted with NewJeans in 2022 at age 14. Fans love her for her tall figure, calm charm, and strong stage presence.
Who is Hyein?
Hyein is a South Korean vocalist who rose to fame as the “maknae,” or youngest member, of the girl group NewJeans.
Her real name is Lee Hye-in, and she was born in Incheon, South Korea. She started out as a child model and later joined kids’ groups before becoming a trainee.
She officially debuted with NewJeans in July 2022 under the label ADOR, a part of HYBE. Even as the youngest, she actually had the most industry experience of all the members.
Today she is known for her singing, her modeling work, and being one of the youngest global brand ambassadors in fashion.
Hyein’s Bio
| Attribute | Details |
|---|---|
| Full Name | Lee Hye-in (이혜인) |
| Nickname | Hyein, Grace Lee, U.Jeong (former stage name) |
| Profession | Singer, Model |
| Date of Birth | April 21, 2008 |
| Age | 18 years (as of 2026) |
| Birthplace | Incheon, South Korea |
| Nationality | South Korean |
| Zodiac Sign | Taurus |
| Ethnicity | Korean |
| Known For | Youngest member (maknae) of NewJeans |
Hyein was born on April 21, 2008, in the Michuhol district of Incheon. She goes by her single name, Hyein, but her birth name is Lee Hye-in.
She used the stage name U.Jeong during her early career and is also known by the English name Grace Lee. Her name is often pronounced like “Hain.”
As a Taurus, she is often described by fans as steady, confident, and creative for her age.
Hyein Height, Weight and Physical Appearance? How tall she is?
| Attribute | Details |
|---|---|
| Height | Around 170 cm (5 ft 7 in) |
| Weight | Not officially confirmed (some sites estimate 48 to 53 kg) |
| Eye Color | Dark Brown |
| Hair Color | Black (often styled in other shades) |
| Body Type | Slim and tall |
Hyein is one of the tallest members of NewJeans, standing at about 170 cm, which is roughly 5 feet 7 inches. A few sources list her closer to 171 cm.
Since she was still growing during her debut years, some fans believe she may now be slightly taller than her early listed height. Because of this, figures can vary a little across websites.
Her weight has never been officially shared, so any numbers you see online are only guesses. She is known for her slim frame and long-limbed, model-like look.
Background and Early Life
Hyein grew up in Incheon, South Korea, in a family with three children. She was the youngest at home, just like she later became the youngest in NewJeans.
She started working as a child model at only eight years old, appearing for different brands and even at international fashion events. This early start gave her a lot of confidence in front of cameras.
She reportedly attended Korea International Christian School and also trained at Wannabe Academy. Fans note that she loved sports as a kid and even played soccer in elementary school.
Is she married? Who is Hyein’s Husband/Partner?
No, Hyein is not married. She is only 18 years old and is fully focused on her music career.
There is no public record of her being in a relationship. Like most young K-pop idols, she keeps her personal life very private.
No verified reports link her to any partner. Any dating rumors online are not confirmed and should be treated as gossip rather than fact.
Family Background
Hyein comes from a family of five and is the youngest child. She has an older sister, born around 2003, and an older brother, born around 2005.
Details about her parents have not been shared publicly. Like many idols, she chooses to keep her family out of the spotlight to protect their privacy.
What is clear is that her family supported her early modeling and performing career. Reports about her return to ADOR in 2025 mentioned that decisions were made after long discussions with her family, showing how involved they are in her choices.
Hyein’s Net Worth 2026
| Year | Estimated Net Worth |
|---|---|
| 2019 | Around $100,000 |
| 2020 | Around $150,000 |
| 2021 | Around $300,000 |
| 2022 | Around $700,000 |
| 2023 | Around $1.5 million |
| 2024 | Around $1.7 million |
| 2025 | Around $1.8 million |
| 2026 | Around $2 million |
Hyein’s net worth in 2026 is estimated at roughly $2 million, though exact figures are not officially confirmed. Many outlets cited about $1.5 million for her back in 2023.
Her income comes from NewJeans music sales, streaming royalties, and live performances. A big boost comes from brand deals, as she became a global ambassador for Louis Vuitton while still a teenager.
Keep in mind these numbers are estimates from third-party sites. The earlier years reflect general trends, not verified records.
Career
Hyein’s career began in fashion, not music. She modeled for brands as a child and even walked at events abroad, building experience very early.
In 2017 she joined the kids’ group U.SSO Girl under the name U.Jeong, and later took part in the children’s program group Play With Me Club. She then trained under ADOR before her big break.
She debuted as the youngest member of NewJeans on July 22, 2022, with the hit “Attention.” The group quickly became a global sensation with songs like “Ditto,” “Hype Boy,” and “Super Shy.”
She also featured on IU’s track “Shh..” in 2024 and remains a key part of NewJeans as the group planned its return in 2026.
Lesser-Known Facts About Hyein
| Fact | Details |
|---|---|
| Early Start | Worked as a child model from age eight |
| Former Stage Name | Promoted as U.Jeong in a kids’ group |
| Big Fan Of | BTS and the Harry Potter series |
| Fashion Milestone | Became one of the youngest Louis Vuitton ambassadors |
| Hobby | Enjoys photography |
Even though Hyein is the youngest in NewJeans, she actually had the most experience in the industry before debut. This is why she often looks so comfortable on stage.
She is a big fan of BTS and loves the Harry Potter books. Fans also know her for enjoying photography as a hobby.
One fun bit of trivia is that she reportedly suggested releasing NewJeans’ first music video without the usual teaser buildup, a bold idea that helped make their debut stand out.
Hyein Social Media
Hyein is mainly active with fans through the official NewJeans channels rather than a large set of personal accounts.
The group’s official Instagram, @newjeans_official, has well over 10 million followers and is where most of her content appears. NewJeans is also very active on YouTube and X (Twitter) under the handle @NewJeans_twt.
Some sources have linked a personal handle such as @hyein_grace to her, but this should be confirmed before treating it as her verified account. Because K-pop idols often share official group pages, fans should be careful about fan-run or fake profiles.
FAQs
1. How tall is she?
Hyein is about 170 cm tall, which is roughly 5 feet 7 inches. Some sources list her slightly taller at 171 cm.
2. How old is Hyein?
She is 18 years old as of 2026, born on April 21, 2008.
3. What is Hyein’s net worth?
Her net worth is estimated at around $2 million in 2026, though this figure is not officially confirmed.
4. What is Hyein famous for?
She is famous as the youngest member of the K-pop girl group NewJeans and as a former child model.
5. What is Hyein’s real name?
Her real name is Lee Hye-in, and she performs simply as Hyein.