Bada

On April 19, 2020 Bada team up with 33 singers to release remake song of Yang Hee-eun's "Evergreen" for the medical professionals around the world fighting COVID-19 and also mark the 60th anniversary of the April 19 Revolution.

On October 14, 2019 Wave Nine announced Bada's comeback with a single title "Off The Record" set to release for October 24.

On January 2, the special album of their 20th anniversary debut Remember was released. The album consists of double lead singles. "Remember" was digitally released on January 1 and "Paradise" was released along with the album on January 2. They held a fanmeet as their last project of their 20th anniversary debut called "I Will Be There, Waiting for You" on March 1, 2017.

In July 2017, she became the vocal mentor for survival show Idol School.

Bada successfully held her solo concert for the 20th anniversary debut "Twenty Steps" on December 31, 2017 at the grand hall of Unjeong Green Campus at Sungshin Women's University.

On January 13, 2017, her agency confirmed that she will marry a franchise restaurant owner nine years her junior. Her wedding was held in Seoul on March 23, 2017.

On May 28, Bada with S.E.S. member Eugene and Shoo attended a charity event, Green Heart Bazaar. Bada released special album title Flower on June 13, 2016 to celebrate her 20th debut anniversary. The single contains four tracks with lead single Flower featuring popular rapper Kanto. She released double music video for Flower on June 13 and Amazing on June 15. A few weeks later, Bada released special summer album title Summertime on June 26. Bada later released collaboration single Cosmic with Super Junior's Ryeowook on September 22, as a part of S.M. Entertainment project SM Station.

In October 2016, Bada along with Eugene and Shoo re-formed S.E.S. to celebrate their 20 years debut. They started their project of the 20th anniversary debut with released digital single "Love[Story]", a remake of their 1999 single "Love", through S.M. Entertainment's digital project SM Station on November 28 and its music video released on December 29.

In early December 2016, they aired their ten episode reality show "Remember, I'm Your S.E.S.", which broadcast through mobile app Oksusu. To accompany their 20th anniversary debut, they held a concert "Remember, the Day", on December 30 and 31 at Sejong University's Daeyang Hall in Seoul.

In June 2013, she was cast as Elle Woods in Legally Blonde. During Legally Blonde, her mother died. Despite the loss, Bada continued performances for the musical until its final run and famously sang Secret Garden's "You Raise Me Up" on KBS's Open Music Concert just two days after her mother's death. She has since stated that this loss was the reason for her relative inactivity in both her music and musical career from 2011 to mid-2013. She also cast as Marguerite in the first Korean adaptation of Frank Wildhorn's The Scarlet Pimpernel. That same year, Bada appeared as a vocalist for the song "City Life" on American electronic musician Brian Transeau's electronic dance music album A Song Across Wires.

She returned as Esmeralda in the 2013 production of Notre-Dame de Paris. She then signed on to depict Carmen in the first Korean production of the musical Carmen.

In 2012, she briefly took on the role of Mozart's wife, Constanze, in Mozart!,

In 2010, Bada played Peggy Sawyer in Broadway on 42nd Street

In 2009, Bada released her fourth album called See the Sea which featured both Korean rap group Untouchable and 2PM's Ok Taecyeon. The following year, 200 Pounds Beauty, a musical based on the popular movie of the same name, cast Bada in the titular role of Kang Hanbyul, an overweight ghost singer who aspires to become a star and undergoes extensive plastic surgery. Bada's turn as Kang earned her the Best Actress honor at the third The Musical Awards. She was recast in 2011 for the project.

In 2006, her third album, Made in Sea, was a big success. In 2007, Bada was cast in the role of Denise in the Korean version of Andrew Lloyd Webber's Tell Me on a Sunday. Right afterward, she took on the role of Esmeralda as a part of the original Korean cast of Notre-Dame de Paris. Her widely praised portrayal of Esmeralda gained her acceptance as a musical actress and won her the Best Newcomer Actress award and others at The Musical Awards and the Korea Musical Daesangs in 2008; she reprised the role in 2009.

Bada signed an exclusive contract with WoongJin entertainment. In 2003, Bada released her debut solo album A Day of Renew that has sold approximately 130,000 records, according to the Music Industry Association of Korea. Bada became the first Korean idol singer to venture onto the musical stage in 2003 with the musical Peppermint, a love story about a singer named Bada. It was written for her by creator and producer Lee Yuri, who is also responsible for other musical projects such as Typhoon, Mother and Winter Sonata. In 2004, her second album Aurora was released and has sold approximately 23,000 copies.

Bada made her debut with S.E.S. in 1997. The group released their debut album I'm Your Girl on November 1, 1997. The group later became the top-selling K-pop girl group. Since their debut, the group has released five Korean albums and two Japanese albums. The group released a compilation album, Friend before breaking up at the end of 2002. Members Bada and Eugene parted ways from SM Entertainment, while Shoo stayed with SM Entertainment until 2006.

Choi Sung-hee (born February 28, 1980), known professionally as Bada, is a South Korean singer, composer, musical actress and television presenter. She debuted as a member of the South Korean girl group S.E.S. in 1997. After S.E.S. disbanded in December 2002, she released her first solo studio album, A Day of Renew, in October 2003.

Choi Sung-hee was born February 28, 1980, her father is Choi Sae-wol, a trot singer with a background in Korean pansori. Due to financial struggle during her childhood, especially after her father fell ill, she lived in a container home provided by a local church for nine years until her debut. In a recent series of lectures for youth, she has addressed her beginning and has encouraged students to not let their background become an obstacle in obtaining their dreams.