Cited as the "ultimate performance boss" by Korean media, they are known for their EDM-trap-inspired synth-pop sound and adopting the "girl crush" concept in K-pop.

[3] E:U (Park Ji-won), who used to be a stunt cheerleader,[4] appeared on SBS' show Delicious Cooking Class and modeled for the fashion brand Stare Shoes.

[7] On February 17, 2019, Yuehua Entertainment announced Everglow's debut and opened the group's first official social media accounts.

[9] On February 28, Everglow posted a dance cover video of "Rumor", song performed by Sihyeon on Produce 48, and it surpassed two million YouTube views in 24 hours.

[23] Billboard columnist Jeff Benjamin described Everglow as a "group with a strong and empowering image that tends to connect more with Western audiences".

[35][A] On September 21, 2020, Everglow released their second extended play −77.82X−78.29 alongside synth-pop lead single "La Di Da", co-written by member E:U.

[37][38] The music video for "La Di Da" garnered over 50 million views in its first week,[39] and Billboard named the track Best K-pop Song of 2020.

[40] On November 12, Everglow released the soundtrack "Let Me Dance"—a remake of the 2003 song by Lexy featuring Teddy Park—for the South Korean TV series The Spies Who Loved Me.

In August 2021, Everglow partnered with UNICEF on the "Promise" campaign, aimed at promoting world peace and making children around the globe happier.

[54] In July 2022, Everglow made history as the first girl group to perform in Saudi Arabia at the Saranghae KSA K-pop Festival 2022 in Jeddah.

[56][57][58] Everglow partnered with German DJ and producer TheFatRat to release the English-language single "Ghost Light" on November 18, 2022,[59] along with a Korean version.

[citation needed] Although the group had announced a Southeast Asia tour with four concerts in December, it was cancelled for unspecified reasons.

[68] Everglow is scheduled to embark on their 2024 Pulse & Heart tour with eleven stops across the United States and South America, starting on September 12.

[75] On January 9, 2022, Yuehua Entertainment announced that Yiren would take a break from group activities to return to China for family and academic reasons.