"Eternal Flame" is a love song by American band the Bangles from their 1988 album Everything. It became a hit single, when released in 1989, peaking at number one in the charts in nine countries, including Australia, the Netherlands, the United Kingdom, and the United States. It was written by the established songwriting partnership of Billy Steinberg and Tom Kelly (becoming the pair's fifth Billboard Hot 100 number one in five years) along with the Bangles' Susanna Hoffs. Having previously reached number one on the Billboard Hot 100 in December 1986 with "Walk Like an Egyptian," the Bangles became only the third girl group to score multiple number-ones in the United States, after the Supremes (twelve) and the Shirelles (two).

Unlike the rest of the more uptempo songs on their album Everything, "Eternal Flame" is a ballad. Co-writer Billy Steinberg describes it as "the Beatles meet the Byrds."

The song was inspired by two eternal flames: one at the gravesite of Elvis Presley that the Bangles saw when the band visited Graceland, and one at a local synagogue in Palm Springs which Steinberg attended as a child. Steinberg recalled to Songfacts: "Susanna was talking about the Bangles having visited Graceland, and she said there was some type of shrine to Elvis that included some kind of eternal flame. As soon as those words were mentioned, I immediately thought of the synagogue in the town of Palm Springs, California where I grew up. I remember during our Sunday school class they would walk us through the sanctuary. There was one little red light and they told us it was called the eternal flame."

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