Upon leaving the ensemble shortly after, Hyuna subsequently left JYP Entertainment and joined the girl group 4Minute.

In 2011, Hyuna gained wider public recognition with the release of her first extended play Bubble Pop!.

In 2012, she appeared in a successful duet rendition of Psy's worldwide hit "Gangnam Style" and later released her second extended play Melting, which featured the number-one single "Ice Cream".

In 2017, she was involved in the trio Triple H with Pentagon members Hui and E'Dawn before releasing her sixth extended play Following.

In 2018, Hyuna ended her contract with Cube Entertainment after several internal conflicts,[3][4] and signed with Psy's P Nation the following year.

Hyuna graduated from Konkuk University, in Contemporary Arts, and received special admission into the school.

Music Core with Wonder Girls' Sohee and Fly to the Sky singer Brian Joo from May 12 – June 30, 2007.

Hyuna left Wonder Girls in July, when she was removed by her parents due to their concern over her health, particularly chronic gastroenteritis and fainting spells.

[11][12] Hyuna collaborated with Lee Gi-kwang on the song "2009" for his debut album First Episode: A New Hero, and also appeared in the music video of his single "Dancing Shoes," which was released on March 30, 2009.

[14] However, Hyuna left the show due to some scheduling conflicts with her group's overseas promotions on June 11, 2010.

[17] Ten days later, on January 14, the "Change" music video was flagged with a 19+ rating by the Ministry of Gender Equality and Family for being inappropriate for minors.

[21] The same year, she released her first mini album, Bubble Pop, featuring five new songs including the title track of the same name.

The single was a global success, and featured on top of YouTube's "most watched today" chart after gaining one million views in two days.

[2] "Gangnam Style" became the most viewed K-pop music video, and drew worldwide global recognition for Hyuna.

[35] In the same month, it was announced that she would join four other K-pop stars; Sistar's Hyolyn, Secret's Jun Hyo-seong, After School's Nana and Kara's Nicole to form a project group titled "Dazzling Red".

[36] On May 24, Hyuna collaborated with makeup artists Son & Park to launch a series of charitable activities titled "Kiss of Hope", whose profits were donated to the education of children in poor countries.

[40][41] Hyuna then went to Los Angeles to film a Funny or Die sketch with British singer Rita Ora.

[52] In August 2015, she released her fourth mini album A+, with the lead single titled "Because I'm the Best" featuring Jung Il-hoon.

[55] Following the group's disbandment, she resumed her activities as a solo artist, with the release of her fifth mini album A'wesome and its title track "How's This?"

[59] On April 3, 2017, Cube Entertainment confirmed that she and Pentagon members Hui and E'Dawn were set to debut in May as new sub-unit, Triple H. On April 4, Cube TV debuted a new reality TV program called Triple H Detective Agency.

Cube Entertainment denied rumors that they were dating, however, she and E'Dawn held an interview with Yeonhap News later that day, admitting to their relationship which began in May 2016, after they had got to know each other through their project group Triple H promotions.

[70] On June 7, 2022, it was announced that Hyuna would be attending the J-Rim Super Nova Festival with Dawn, taking place on July 2–3, 2022.

[74] In April 2024, it was reported that Hyuna would make a comeback on May 2 with her ninth EP Attitude with the title track "Q&A".

[84][85] On March 19, 2019, Hyuna released pictorial and a video, for 'Puma Light Sandals' campaign, where she appeared as the brand ambassador alongside Dawn.

[86] Later in 2019 Hyuna inked endorsement deal with the brand again, where she released a pictorial and a video for 'Trail Fox' campaign.

[88][89] On July 13, 2021, Spanish fashion house Loewe announced that they selected Hyuna as their new global ambassador.