"Alone" is a song composed by Billy Steinberg and Tom Kelly. It first appeared on via Steinberg and Kelly's pet project, 1983's I-Ten, Taking a Cold Look. It was later recorded by John Stamos in his role as Gino Minelli, on the original soundtrack of the CBS sitcom Dreamsin 1984. American rock band Heart made it a hit in 1987. Twenty years later, Céline Dion recorded it for her album Taking Chances.

The song was given to Heart and released as the first single from their ninth studio album Bad Animals. Heart's version is a power ballad that begins with a piano line and a subdued vocal from Ann Wilson, only to build to a dramatic love song. According to a Songfacts interview with Steinberg, Kelly, who was an experienced session singer, sung high harmony parts on the record. "Alone" is Heart's biggest hit, spending three weeks at number 1 on the U.S. Billboard Hot 100 and ranking number 2 on the BillboardYear-End Top Pop Singles of 1987. It is also their most successful single in the United Kingdom, where it peaked at number 3 on the UK Singles Chart.The song's vieo featured the band live.

Céline Dion covered "Alone" for her 2007 album Taking Chances. It was released as the second single in Europe and North America, and third in the United Kingdom. "Eyes on Me" was released as the second single in the United Kingdom instead.

"Alone" was produced by Ben Moody, ex-member of Evanescence.

Dion performed it in various TV shows, during her promotional tour for the Taking Chancesalbum, in November and December 2007. Because of that and due to music download sales, the song debuted in November 2007 at number 85 on the UK Singles Chart. For the same reason, after selling 12,535 copies, it entered the U.S. Bubbling Under Hot 100 Singles at number 24 and Canadian Hot 100 at number 57.

Officially "Alone" debuted on radio in Sweden in December 2007. The next month it entered the Swedish Singles Chart, due to strong digital sales, and peaked at number 52.

The song premiered on other European radio sations in January 2008. Céline Dion promoted "Alone" at that time in France, performing it on Star Academy. In France, the song was released simultaneously with "A cause," featured on D'elles. "Alone" was also serviced to radio at the end of March in Canada and in mid-April in the United States.

The digital single release in the UK on May 5, 2008 was coincided with the British leg of the Taking Chances Tour.

The music video was taken from Dion's CBS TV special That's Just the Woman in Meand released in early March 2008.

In October 2008, "Alone" was included on the European version of My Love: Essential Collection.

UK digital single