Kim Yong-sun, popularly known as Solar, is a South Korean singer, songwriter, and musical actress born on February 21, 1991. She is best known as the leader and main vocalist of the girl group Mamamoo. As a talented singer, songwriter, and actress, Solar is highly-revered in multiple industries. She has garnered enviable fame and success, which she shares with her friends and family. She is an artist worth celebrating on her birthday today.

Fast Facts

Full Name:

Kim Yong-sun



Birth date:

February 21, 1991



Zodiac Sign:



5' 4"

Relationship Status:


Net Worth:

$2 million

Social Media:


Kim Yong-sun, popularly known as Solar, is a South Korean singer whose talents have set her apart from her peers. She’s a Pisces, born on February 21, 1991, in Gangseo-gu, Seoul, South Korea. Solar lived with her parents and sister. She attended Hanyang Women’s University and majored in tourism.

In June 2014, Solar debuted as a member and vocalist of Mamamoo. By 2015, she appeared in episodes two and five of the romance web drama “Imaginary Cat.” Solar played Jung Soo-In in this drama. In 2016, the singer appeared in the M.B.C. series “We Got Married” from episodes 316 to 348. Solar then debuted as a solo artist with the release of her debut solo E.P., “Solar’s Emotion,” in April 2018. In April 2019, she released her debut single as a solo artist, ‘Spit it Out.’ The same day the single dropped, Solar made her debut solo stage appearance on Mnet’s “M Countdown.”

In 2020, she was a cast member in “Boss in the Mirror” and appeared in 11 episodes of the show. Solar was only getting started, and in March 2022, she released her first mini album, which bore the lead single, ‘Honey.’ By April of the same year, she landed the title role of Mata Hari in the third season of the musical “Mata Hari.” Solar was also a D.J. Special for two weeks on Dream Radio in 2022.

Career timeline

The Debut at Mamamoo

Solar debuts as a member and vocalist of Mamamoo.

The Debut Solo E.P.

Solar releases “Solar’s Emotions” as her debut solo E.P.

The Debut Single

Solar releases her debut single ‘Spit It Out.’

The D.J. Special

Solar becomes a two-weeks D.J. Special on Dream Radio.

Why We Love Solar

  1. She’s talented

    Solar is crazy talented. She has the voice of an angel.

  2. She’s stunning

    Solar is stunning. She looks good in every fit and yet is very down to earth.

  3. She’s versatile

    Solar’s versatility is enviable. She’s a talented singer, actress, and content creator.

5 Surprising Facts

  1. Her chosen stage name was rejected

    Solar chose Doremi as her stage name but the C.E.O. and members of Mamamoo didn’t like it and prompted her to change it.

  2. Her favorite meal

    Solar’s favorite meal is Tteokbokki, and she can eat it all week.

  3. She could be a flight attendant

    Solar got a degree in airline service to become a flight attendant.

  4. She auditioned with a Whitney Houston classic

    Solar auditioned for Rainbow Bridge World with Houston’s ‘I Will Always Love You.’

  5. She’s a popular YouTuber

    Solar has a thriving YouTube channel where she uploads different types of content for her fans.

Solar FAQs

Who is the main rapper in Mamamoo?

Moonbyul is the main rapper.

Who left Mamamoo?

Wheein left Mamamoo.

What is the name of Solar’s sister?

Solar’s sister is Kim Yong-hee.

Solar’s birthday dates

2025February 21Friday
2026February 21Saturday
2027February 21Sunday
2028February 21Monday
2029February 21Wednesday

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