Girl's Day is a South Korean girl group formed in 2010 by Dream Tea Entertainment. The group originally debuted with five members: Sojin, Minah, Yura, Hyeri, and Naeun. They gained popularity for their catchy songs and vibrant performances, contributing to the K-pop genre's global appeal. Over the years, Girl's Day released several hit songs, including "Something" and "Expectation." The group is known for their diverse musical styles and engaging choreography. Although they have taken breaks for solo projects, Girl's Day remains a significant name in the K-pop industry, celebrated for their contributions to music and entertainment.