DIA (/ˈdaɪə/; Korean: 다이아; shortened from DIAMOND and backronym for Do It Amazing) is a South Korean girl group formed by MBK Entertainment. The group is currently composed of eight members: Eunice, Jueun, Huihyeon, Jenny, Yebin, Chaeyeon, Eunchae and Somyi. The group officially debuted on September 17, 2015, with their lead single “Somehow” from debut album Do It Amazing.
In February 2015, MBK Entertainment announced its plans to debut a new girl group. Originally, the company had decided to have possible candidates for their new group compete on a reality survival program. Seunghee was added to the line-up before debut.
On September 14, 2015, DIA released their self-titled debut album, Do It Amazing.
New member Eunchae (introduced with her real name Chaewon) joined in March 2016, DIA’s first mini album Happy Ending was released on June 14, along with the music video for lead single “On The Road” on the same day.
In September a Harry Potter-themed album, Spell, was released, with “Mr. Potter” as the lead single. Then the group was separated into two “A” and “B” sub-units, named “BinChaenHyunSeuS” and “L.U.B”, releasing songs separately.
The band’s reality show began airing on April 9 on the TV network Onstyle, days after two new members, Jueun and Somyi, were announced as members of the group. On April 6, their pre-release single ” You Are My Flower” was released, which featured trot singers Kim Yeon Ja and Hong Jin-young. On April 19, DIA’s second studio album YOLO was released. The album’s contained fourteen tracks, with the lead single titled “Will You Go Out With Me?”. The album also include several tracks composed by the members themselves and featuring various artists rapper DinDin, trot singers Kim Yeon-ja and Hong Jin-young, and former I.O.I member Kim Chung-ha.
DIA’s third mini album Love Generation was released on August 22, 2017. The album contains twelve tracks, with the lead single titled “Can’t Stop”.
On October 12, a repackaged edition of Love Generation, titled Present, was released. It contained the songs from Love Generation, along with four new songs.
On May 7, 2018, Eunjin announced her departure from the group, due to health problems.
On June 9, it was reported that the group would make a comeback on July 5. It had been previously announced that the group were to come back in April with a track produced by Shinsadong Tiger. On the day of the album’s purported release, MBK Entertainment released an official statement announcing and apologizing for its postponement saying it was to be released on July 18, but that did not happen, with MBK Entertainment claiming the postponements were to ensure high-quality material.
The group released on their fourth album Summer Ade on August 9, 2018 with the title track “Woo Woo”. On August 14, the group received their first music show win on SBS MTV’s The Show.