Itzy (Hangul: 있지; stylized as ITZY) is a South Korean girl group formed by JYP Entertainment, consisiting of members Yuna, Ryujin, Chaeryeong, Lia and Yeji. The group debuted on February 11, 2019.On January 21, JYP Entertainment, YouTube, Neighbor TV and VLIVE announced the five members. All members are Korean.Some members of ITZY are already known for participating in survival reality shows. Ryujin ranked first in 'MIXNINE' (YG Entertainment's show) and starred opposite Jimin and J-Hope from BTS during the 'Love Yourself' era; Yeji was in 'The Fan' and Chaeryeong competed in SIXTEEN, a reality show that formed the female group TWICE.On February 11, 2019 the group released their debut EP "IT'Z Different" and the MV of "DALLA DALLA" which already has more than 13 million views on Youtube.