K-pop group aespa has unveiled a new holiday single that layers its vocals over the original recording by American singer Eartha Kitt.

According to the group's agency, SM Entertainment, aespa released the collaborative single "Santa Baby" with Kitt at midnight (KST) on Friday on major streaming platforms.

The single was conceived ahead of the 100th anniversary of Kitt's birth on January 17, 2027. It reimagines the enduring holiday standard by pairing Kitt's original vocals with aespa's.

Primary Wave Music, the music publisher for "Santa Baby," oversaw the artwork video and cover image, as well as the final mixing of the track. SM Entertainment supported the project with aespa's vocal contribution.

In a statement released through the agency, aespa said that they're happy to be part of a song that has been loved for so long. The group added that it felt special to put its own color on Eartha Kitt's original, which all four of them have enjoyed listening to every year-end. It hopes this song brings warmth and joy to many people at the end of the year.

Kitt's daughter, Kitt Shapiro, also weighed in. Her mother believed it was important to connect generations and cultures through music, Shapiro said. She would have been so happy to know that her voice was joining the talented artists of aespa.

Kitt first released "Santa Baby" in 1953. A singer and actor, she also recorded songs including "C'est si bon" and "Let's Do It." She died in 2008. The new single brings together her vocals, recorded during her lifetime, and aespa's.

Meanwhile, aespa will release a remix of "KISS N TELL," the title track from its first Japanese mini-album, on November 20. Taku Takahashi of m-flo handled the remix.

K-pop group aespa has unveiled a new holiday single that layers its vocals over the origin …

aespa Reinterprets "Santa Baby" to Mark Eartha Kitt's 100th Anniversary