Lee Sung-Kyung: Biography, Relationships, Height, and Facts

Lee Sung-kyung is a South Korean model and actress who stands out for her height and her transition from runway to screen. This guide separates verified facts from rumors about her relationships, background, and career.

Born: August 10, 1990 ·
Height: 176 cm (5 ft 9 in) ·
Profession: Model, actress, singer ·
Debut: 2008 Super Model Contest ·
Instagram: @heybiblee

Key facts about Lee Sung-kyung

Here are the essential details about the actress.

These verified facts provide a reliable foundation for understanding her public profile.

What happened to Lee Sung-kyung and Nam Joo Hyuk?

How long did they date?

• Lee Sung-kyung and Nam Joo Hyuk publicly confirmed their relationship in April 2017 after their agency, YG Entertainment, acknowledged they were dating (South China Morning Post (Hong Kong-based news outlet)).
• Their relationship lasted approximately four months; the breakup was announced in August 2017 (SCMP).

Why did they break up?

• The official reason cited was “conflicting schedules” as both actors focused on their respective projects (SCMP).
• No further details have been publicly disclosed beyond the agency statement.

Are they still friends?

• Their current personal relationship is not publicly known. Neither has commented on remaining friends post-breakup.
• They have not been seen together publicly since 2017.

The public nature of their short relationship underscores the challenges K-drama couples face.

Who has Lee Sung-kyung dated?

Who else has she been linked to?

• Publicly confirmed relationships include only Nam Joo Hyuk (SCMP).
• Rumors have linked her to BTS member Suga, but no credible evidence or agency confirmation exists. A community dating site also lists alleged encounters with singer Eddy Kim and Kang Seung-yoon (Who’s Dated Who (user-generated database)) — these remain unsubstantiated.

The pattern: Lee Sung-kyung’s dating history is remarkably sparse for a celebrity of her profile. Only one relationship is on the record, which suggests she values privacy over public attention.

For another celebrity with a private dating history, see Madelyn Cline: Age, Height, Relationship, Net Worth & Facts.

Is Lee Sung-kyung fully Korean?

What is her ethnicity?

• Lee Sung-kyung was born in Gyeonggi, South Korea, and is ethnically Korean (Wikipedia (user-edited encyclopedia)).
• No verified sources indicate any mixed heritage. Persistent online speculation appears unfounded.

Thus, any claims of mixed heritage are unsupported.

Are Park Shin Hye and Lee Sung-kyung friends?

How did they become friends?

• The two co-starred in the medical drama The Doctors in 2016 and reportedly bonded on set.
• They have since been seen supporting each other at events and posting social media interactions.

Examples of their friendship

• Lee Sung-kyung sent a coffee truck to the set of Park Shin Hye’s drama Doctor Slump in 2023, a common gesture of support in Korean entertainment.
• Park Shin Hye attended the premiere of Lee Sung-kyung’s film Sweet & Sour (2021).

The implication: Their friendship demonstrates genuine mutual support beyond on-screen collaboration, rare in a competitive industry.

How tall is Lee Sung-kyung and what are her most notable works?

Height

• Her official height is 176 cm (5 ft 9 in), consistently reported across sources (Kpop Profiles (fan-run database)).

Notable dramas and films

• Cheese in the Trap (2016) – supporting role as Baek In-ha
• The Doctors (2016) – role as Jin Seo-woo
• Weightlifting Fairy Kim Bok-joo (2016–2017) – first leading role, played Kim Bok-joo (Wikipedia)
• Dr. Romantic 2 (2020) and Dr. Romantic 3 (2023) – roles in the hit medical series
• Film appearances: Love+Sling (2019), Sweet & Sour (2021)

The trade-off: Lee Sung-kyung’s height makes her physically distinctive but can limit pairing with shorter male leads — a common challenge for tall Korean actresses.

For comparison, see our guide on Song Hye-kyo: Dating History, Age, and Netflix Dramas.

• 1990 – Born on August 10 in Gyeonggi, South Korea
• 2008 – Won the Super Model Contest, began modeling
• 2014 – Acting debut in It’s Okay, That’s Love
• 2016 – Starred in Cheese in the Trap and The Doctors
• 2016–2017 – Starred in Weightlifting Fairy Kim Bok-joo, gained widespread popularity
• April 2017 – Confirmed relationship with Nam Joo Hyuk
• August 2017 – Breakup announced
• 2020 – Dr. Romantic 2 premiered
• 2023 – Dr. Romantic 3 aired

“We confirm that the two are dating.”

— YG Entertainment, quoted in South China Morning Post

The agency also stated that the breakup was due to conflicting schedules. (SCMP)

For fans and followers of Lee Sung-kyung, the story so far is one of controlled exposure: she reveals enough to satisfy curiosity about her craft but keeps her private life closely guarded. The consequence for anyone looking to stay updated is simple: follow her verified Instagram (@heybiblee) and check her agency’s official announcements — because any unconfirmed headline is just noise.

Her transition from modeling to acting is well documented in verified facts about her career, offering verified facts about her career.

Frequently asked questions

These questions reflect common curiosities about the actress.