Moon Byul-yi, better known as Moonbyul, was born on December 22, 1992, in Bucheon, Gyeonggi-do, South Korea, and is the oldest of three sisters. She is a rapper, singer, songwriter, dancer, and radio host. Moonbyul was signed by RBW and is the leading performer of the girl group MAMAMOO. Moonbyul debuted as a solo artist in 2018 with her single ‘Selfish.’

Fast Facts

Full Name:

Moon Byul-yi



Birth date:

December 22, 1992



Zodiac Sign:



5' 4"

Relationship Status:


Net Worth:

$1.5 million

Moon's Social Media:


Moon Byul-yi, better known as Moonbyul, was born on December 22, 1992, in Bucheon, Gyeonggi-do, South Korea, and is the oldest of three sisters. Moonbyul got accepted into an art institute in 2011 and became a member of the South Korean girl group MAMAMOO in 2014. She subsequently became the main performer of the group and also got signed to RBW. She then made her debut as a solo artist in 2018 with her single ‘Selfish,’ which also featured vocals from the artist Seulgi who is part of the music group, Red Velvet. Today, Moonbyul is known in Korea and worldwide as a prolific rapper, singer, songwriter, dancer, and radio host.

Moonbuyl released her debut E.P. in February 2020. The album is titled “Dark Side of the Moon” and has earned her worldwide recognition as a talented female rapper. She released her second E.P., titled “6equence,” in January of 2022 and teased its release with the pre-release single ‘G999.’ In December 2021, this song featuring Mirani was released. Later in the same month, she released ‘Shutdown,’ another pre-release song. The single album “C.I.T.T. (Cheese in the Trap)” by Moonbyul was released in April 2022. These include ‘Dab Dab’ with Hwasa for the album “Memory,” ‘Promise U’ with Solar for the album “REVIBE Vol.1,” and ‘Bada Boom’ with Solar, Mismolly, and Turns for the album “Street Dance Girls Fighter (S.G.F.) Special.” Moonbyul is an incredible rapper with a lot of talent, and her career continues to grow as the years go by.

Career timeline

She Becomes a Member of MAMAMOO

Moonbyul becomes a member of MAMAMOO and is the lead performer.

She Starts Her Solo Career

Moonbyul starts her solo career with her single ‘Selfish.’

She Releases Her Debut E.P.

Moonbyul releases her debut E.P., “Dark Side of the Moon.”

She Releases Her Second E.P.

Moonbyul releases her second E.P., “6equence.”

Why We Love Moonbyul

  1. She is multi-talented

    Few people are talented enough to succeed in almost all areas of the mainstream entertainment industry. Moonbyul is one such person. She is a successful actor and radio host in addition to performing rap, singing, and dancing.

  2. She posts enjoyable content

    Moonbyul shares videos of her daily life on her self-titled YouTube channel. Anyone who views her videos will enjoy them because they are lighthearted and joyful.

  3. She is successful

    In her career, Moonbyul has had two nominations for awards, one of which she went on to win. She received a ‘Hot Trend Award’ nomination for the 2017 Melon Music Awards and won the Brand Customer Loyalty Award for ‘Best DJ - Live Streaming Show’ in 2022.

5 Surprising Facts

  1. Her inspiration to start singing

    Moonbyul decided to become a singer in 2005 when she watched TVXQ’s ‘Rising Sun’ performance live.

  2. She studies music

    Moonbyul studies music at the Paekche Institute of the Arts.

  3. She’s a songwriter

    Moonbyul wrote most of the songs for MAMAMOO and she also wrote all of her solo songs.

  4. She stars in a web series

    Moonbyul stars in a web series, “Start Love.”

  5. She is a host and D.J.

    She is the host and D.J. of two radio shows, namely “Avengirls” and “Studio Moon Night.”

Moonbyul FAQs

How many tattoos does Moonbyul have?

She has five tattoos.

Why is Moonbyul called Moonstar?

In some of Mamamoo’s songs, members and herself tend to call her Moonstar due to ‘Byul’ meaning ‘star’ in English.

What instruments can Moonbyul play?

She can play the piano and guitar.

Moonbyul’s birthday dates

2024December 22Sunday
2025December 22Monday
2026December 22Tuesday
2027December 22Wednesday
2028December 22Friday

Holidays Straight to Your Inbox

Every day is a holiday!
Receive fresh holidays directly to your inbox.