=== Pra-debut ===
=== 2018: Debut dengan ''I Am'' ===
[[File:(G)I-DLE at 'Latata' Showcase Photo Time on May 2, 2018 (5).png|thumbnail|right| (G) I-dle di '' [[I Am (album (G)I-DLE)|I Am]] '' showcase pada 2 Mei 2018.]]
Pada 2 Mei, (G)I-DLE secara resmi merilis album mini debut mereka ''[[I Am (album (G)I-DLE)|I Am]]'', dengan singel utama "LATATA".<ref>{{cite news|url=http://pop.heraldcorp.com/view.php?ud=201805021050289015290_1|title='데뷔' (여자)아이들, 타이틀곡 'LATATA' MV 티저 영상 공개|work=Herald Pop|language=ko|date=May 5, 2018}}</ref> Showcase debut mereka diadakan di Blue Square iMarket Hall pada hari yang sama dengan perilisan album.<ref>{{cite news|url=http://sports.chosun.com/news/news.htm?id=201805020100022810001295&ServiceDate=20180502|title=[포토] (여자)아이들 슈화 '만화 미모'|work=Sports Chosun|language=ko|date=May 2, 2018}}</ref> Mereka secara resmi debut di acara musik [[Mnet]] [[M Countdown]] keesokan harinya.<ref>{{cite news|url=http://www.asiatoday.co.kr/view.php?key=20180503001330119|title=‘엠카운트다운’ 여자친구·아이즈·헤일로·(여자)아이들 등 무대 준비|work=Asia Today|language=ko|date=May 3, 2018}}</ref> (G)I-DLE mendapatkan total 2.2{{nbsp}}juta penonton untuk video musik debut mereka "LATATA" dalam dua hari setelah rilis.<ref>{{cite news|url=http://entertain.naver.com/read?oid=311&aid=0000850998|title=(여자)아이들, 데뷔곡 'LATATA' MV 공개 이틀만에 220만뷰 돌파|work=xsportsnews|language=ko|date=May 4, 2018}}</ref> Album mini tersebut debut dan memuncak pada peringkat ke-13 di Gaon Album Chart.<ref>{{cite news|url=http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=18&hitYear=2018&termGbn=week|title=2018년 18주차 Album Chart|work=[[Gaon Music Chart]]|language=ko|date=29 April - 10 Mei 2018}}</ref> ''I Am'' juga debut pada peringkat ke-7 dan memuncak pada peringkat ke-5 di Billboard World Albums.<ref>{{cite news|url=https://www.billboard.com/charts/world-albums/2018-05-19|title=World Albums: Top World Albums Chart|work=[[Billboard]]|language=en|date=19 Mei 2018}}</ref> "LATATA" debut pada peringkat ke-35 di Gaon Digital Chart.<ref>{{cite news|url=http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=19&hitYear=2018&termGbn=week|title=2018년 19주차 Digital Chart|work=[[Gaon Music Chart]]|language=kor|date=May 17, 2018}}</ref>
Pada bulan Juni, survei dilakukan di antara tiga puluh lima peserta di industri musik di mana (G) I-dle terpilih sebagai Generasi Berikutnya dari kategori K-pop dengan 39 poin secara keseluruhan.<ref>{{cite news|url=http://www.sportsseoul.com/news/read/649836|title=[창간특집 가요설문②]최고 솔로 GD·아이유, 기대주 아이들, 최고 매니지먼트 SM 엔터|publisher=SportsSeoul|author=Hong Seung-han|date=June 22, 2018|access-date=November 12, 2019}}</ref> Pada tanggal 6 Agustus, (G) I-dle mengadakan konser kecil dan merekam pertunjukan flash-mob "Latata" di [[Times Square]] dan [[Washington Square Park]].<ref>{{Cite web|url=https://m.entertain.naver.com/read?oid=382&aid=0000665891&l|script-title=ko:'컴백' (여자)아이들, 뉴욕 타임스퀘어 플래시몹 인증샷|website=SportsDonga|language=ko|access-date=August 6, 2018}}</ref><ref>{{Cite web|url=https://m.entertain.naver.com/read?oid=079&aid=0003132612&l|script-title=ko:(여자)아이들, 뉴욕 타임스퀘어 플래시몹 영상 공개|language=ko|access-date=August 6, 2018}}</ref><ref>{{cite web|url=https://www.billboard.com/amp/articles/columns/k-town/8470655/g-i-dle-in-new-york-interview-hann-alone-debut-goals|title=(G)I-dle Discuss New Single 'Hann (Alone)' & Debut-Year Goals During First U.S. Visit: Exclusive|website=Billboard|access-date=August 20, 2018}}</ref>
Pada bulan November, Riot Games merilis sebuah lagu berjudul [[Pop / Stars]] yang mengisi vokal dari Soyeon dan Miyeon bersama dengan penyanyi Amerika [[Madison Beer]] dan [[Jaira Burns]] di bawah girl grup virtual bernama [[K/DA]] yang mana tampil sebagai Soyeon dan Miyeon sebagai Akali dan Ahri.<ref>{{cite news|title=How 'League of Legends' K/DA Singers Brought Virtual Band to Life|url=https://www.newsweek.com/kda-league-legends-opening-ceremony-jaira-burns-madison-beer-miyeon-soyeon-1201551|first=Steven|last=Asarch|work=Newsweek|date=Nov 5, 2018|access-date=Oct 21, 2020}}</ref> Juga mereka tampil di [[League of Legends World Championship 2018|League of Legends World Championship]] bersama dengan Beer and Burns dan mencapai nomor 1 di Penjualan Digital Dunia Billboard.<ref>{{cite news|title='League of Legends' Girl Group Earns Madison Beer, (G)I-DLE & Jaira Burns No. 1 on World Digital Song Sales Chart|url=https://www.https://www.billboard.com/articles/columns/pop/8484697/kda-pop-stars-madison-beer-gidle-jaira-burns-no-1-world-digital-songs-league-of-legends|first=Jeff|last=Benjamin|work=Billboard|date=Nov 13, 2018|access-date=Oct 21, 2020|archive-date=August 19, 2013|archive-url=https://web.archive.org/web/20130819141428/http://https/|url-status=dead}}</ref>
Sepanjang sisa tahun 2018, (G) I-dle memperoleh beberapa penghargaan pendatang baru di acara penghargaan musik akhir tahun utama Korea, termasuk [[Asia Artist Awards]], [[Gaon Chart Music Awards]], [[Genie Music Awards]], [[Golden Disc Awards]], Korean Popular Music Awards dan [[Melon Music Awards]].<ref name="AAA">{{cite web|url=https://entertain.naver.com/read?oid=109&aid=0003912978|access-date=November 29, 2018|work=OSEN|date=November 28, 2018|title=[2018 AAA]아이즈원·스트레이키즈·(여자)아이들·더보이즈, 신인상 수상|language=ko}}</ref><ref name="GMA">{{cite web|url=http://m.stardailynews.co.kr/news/articleView.html?idxno=221181|title=[S포토] (여자)아이들, '아이들 상 받았습니다~' (2018 MGA 지니뮤직어워드)|date=November 7, 2018|website=Stardailynews|language=ko}}</ref><ref name="GDA">{{cite web|url=https://m.entertain.naver.com/now/read?oid=312&aid=0000365606|script-title=ko:[제33회 골든디스크어워즈] (여자)아이들, 신인상 수상…"더 큰 기쁨 드리겠다"|date=January 5, 2019|language=ko}}</ref><ref name="KPMA">{{cite web|url=https://m.entertain.naver.com/now/read?oid=009&aid=0004275509|title=[2018 KPMA]더보이즈-(여자)아이들, 남녀 신인상 '쾌거' |date=December 20, 2018|language=ko}}</ref><ref name="MMA">{{cite web|url=https://m.entertain.naver.com/now/read?oid=609&aid=0000024849|script-title=ko:(여자)아이들, 신인상 수상 "소감 준비 못했는데"[2018 멜론뮤직어워드]|date=December 1, 2018|website=Newsen|language=ko}}</ref>
=== 2019: ''I Made'', "Uh-Oh", debut Jepang dan ''Queendom'' ===
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