# Lee Su-jeong

Lee Su-jeong (Korean: 이수정, born July 6, 1992), formerly known as Baby Soul, is a South Korean singer and member of South Korean girl group Lovelyz under Woollim Entertainment. She firstly released digital single with "Stranger" on November 23, 2011 prior to debut as a member of girl group Lovelyz in November 2014.
Following Lovelyz's contract expiration and resulting hiatus in November 2021, Lee renewed her contract with Woollim and began a solo career with her birth name Lee Su-jeong. Lee later released her debut EP My Name.

## Career
### 2011–2013 : Pre-debut project

Lee made her first appearance as a featured singer in labelmate Infinite's debut studio album Over the Top on the song "Crying". She later made her debut as a soloist on November 26, 2011 under the stage name Babysoul with her first single "Stranger" featuring soloist Wheesung as a part of Woollim Entertainment first girlgroup pre-debut project. On January 18, 2012, Lee released her second single "She's a Flirt", a duet with fellow Woollim Entertainment trainee, Yoo Ji-a.

### 2014–2021 : Lovelyz

On November 12, 2014 Lee debuted as the leader of Woollim Entertainment first girlgroup Lovelyz. The group's debut studio album Girls' Invasion was officially released on November 17, along with its lead single titled "Candy Jelly Love".
On April 23, 2019, Lee released her solo single "A Piece of Moon" after previously performing it on Lovelyz's Lovelyz in Winterland 3 Concert back in February 2019.
On November 1, 2021, Woollim Entertainment announced all of Lovelyz members, except Baby Soul, had decided not to renew their contracts, which expired on November 16. However, Woollim Entertainment didn't mention in its press release sent to news agencies on whether the group would be disbanded. Later, Lee confirmed that although the members are signed under different agencies, they still have desire to promote and release albums together as Lovelyz in the near future. On November 17, Woolim Entertainment officially stated that Baby Soul has decided to begin using her given name Lee Su-jeong for her future promotions.

### 2022–present : Solo debut and solo activities

On April 19, 2022, it was announced that Lee would release her debut EP titled My Name on April 23 with the title track "Walking Through The Moon". Along with the release of her debut EP My Name, Lee held her first solo concert throughout the month of May for four weeks from May 5 to 19.
On December 19, 2022, Lee released "The Miracle of Christmas" a collaboration with singer LEEWOO.

## Discography
### Extended plays

| Title | Details | Peak chart positions | Sales |
| Title | Details | KOR | Sales |
| My Name | Released: April 26, 2022 Label: Woollim Entertainment Formats: CD, digital download, streaming | 49 | KOR: 1,735 |

### Singles

| Title | Year | Peak chart positions | Peak chart positions | Album |
| Title | Year | KOR | KOR Hot | Album |
| As lead artist |||||
| "Stranger" (남보다 못한 사이) | 2011 | — | — | Girls' Invasion |
| "A Piece Of Moon" (조각달) | 2019 | — | — | Non-album single |
| "Walking Through The Moon" (달을 걸어서) | 2022 | — | — | My Name |
| "삐에로는 우리보고 웃지" | 2024 | — | — | Non-album single |
| As featured artist |||||
| "Crying" (Infinite H feat. Baby Soul) | 2011 | — | — | Over the Top |
| "Fly High" (Infinite H feat. Baby Soul) | 2013 | — | — | Fly High |
| Collaborations |||||
| "She's A Flirt" (그녀는 바람둥이야) (with Yoo Ji-A (feat. Jang Dong-woo of Infinite)) | 2012 | — | — | Non-album single |
| "Under The Sky of Suncheon" (순천의 하늘 아래에서) (with Ryu Su-jeong (Lovelyz), TAG and Joo-chan (Golden Child)) | 2021 | — | — | Non-album single |
| "The Miracle Of Christmas" (크라스마스 기적) (with LEEWOO) | 2022 | — | — | Non-album single |
| Soundtrack appearances |||||
| "Clean" (오늘도 맑음) (with Ryu Su-jeong (Lovelyz)) | 2016 | — | — | Second to Last Love OST |
| "Loving You" (with Mijoo and JIN (Lovelyz)) | 2020 | — | — | Do Do Sol Sol La La Sol OST |
| "—" denotes releases that did not chart or were not released in that region. |||||

### Songwriting credits

All song credits are adapted from the Korea Music Copyright Association's database unless stated otherwise.
| Year | Artist | Song | Album | Lyrics | Lyrics | Music | Music |
| Year | Artist | Song | Album | Credited | With | Credited | With |
| 2012 | Baby Soul, Yoo Ji-a | "She's A Flirt (Girl ver)" (그녀는바람둥이야 (Girl ver)) | Non-album single | | An Young-min | | – |
| 2016 | Lovelyz | "Bookmark" (책갈피) | A New Trilogy | | ReRikRu | | – |
| 2017 | Lovelyz | "Emotion" | R U Ready? | | Lee Hyung-seok, Han Jae-ho, Kim Seung-su, Song Su-yun | | – |
| 2018 | Lovelyz | "Temptation" | Heal | | Davink | | – |
| 2018 | Lovelyz | "Daydream" (백일몽) | Sanctuary | | Jung Ho-hyun | | – |
| 2019 | Baby Soul | "A Piece Of Moon" (조각달) | Non-album single | | - | | Sweetch, Song Sung-kyung |
| 2020 | With Woollim | "Relay" (이어달리기) | Non-album single | | Seo Young-bae, Won Jung-ho, TAG, Lee Jang-jun, Seo Jae-woo | | - |
| 2020 | Lovelyz (Baby Soul, Ryu Su-jeong), Golden Child (Tag, Hong Joo-chan) | "Under The Sky of Suncheon" (순천의 하늘 아래에서) | Non-album single | | Ryu Su-jeog, Tag, Hong Joo-chan | | Tag |
| 2022 | Herself | "Say Goodbye" (진작에헤어질걸그랬어) | My Name | | MARCO | | - |
| 2022 | Herself | "Cosmos" | My Name | | - | | - |
| 2022 | Herself | "Warmth Of Love" (체온) | My Name | | Croq | | - |
| 2022 | Herself | "Mirror" (거울) | My Name | | Im Hyun-sik, Vincenzo | | - |
| 2022 | Herself | "Walking Through The Moon" (달을걸어서) | My Name | | - | | - |