We Don't Change) is the first comprehensive French-language greatest hits album by Canadian singer Celine Dion, released by Sony Music on 30 September 2005.

It features songs recorded between 1981 and 2005, including three new tracks, all of which were released as singles: "Je ne vous oublie pas", "Tous les secrets" and "I Believe in You" (duet with Il Divo).

[6] It was filmed at the Royal Impérial Theatre in Montreal, Quebec, Canada on 29 July 2005 and directed by Didier Kerbrat who already worked with Dion on the video for "Contre Nature" in 2004.

[2][6] Sony Music Entertainment released different versions of the album but all of them include three new songs: "Je ne vous oublie pas", "Tous les secrets" and "I Believe in You" (duet with Il Divo).

[3] The North American edition includes Dion's French-language hits from the 1990s and 2000s, but also focuses heavily on the songs form the 1980s which made her a star in Quebec, beginning with the 1981 debut single, "Ce n'était qu'un rêve".

[3] It includes hits like "Pour que tu m'aimes encore", "Je sais pas", "Un garçon pas comme les autres (Ziggy)", "Tout l'or des hommes", "S'il suffisait d'aimer" and "D'amour ou d'amitié", but also the number-one single "Sous le vent", which was available on Garou's debut album only, and "Ma Nouvelle-France" recorded for the 2004 film, Battle of the Brave (Nouvelle-France).

[9] An accompanying On ne change pas DVD was also released in November 2005, including Dion's French music videos and a bonus material.

[11] In Canada, Dion appeared on Star Académie on 2 October 2005 and sang "Je ne vous oublie pas" live from Las Vegas with the contestants in the studio.

[12][13] On 11 December 2005, she performed "Je ne vous oublie pas" on the Canadian show L'école des fans and sang few duets with the children.

[17] On 5 November 2005, she performed few songs on Les 500 Choristes Ensemble, including "Je ne vous oublie pas", "I Believe in You" with Il Divo, "S'il suffisait d'aimer", "Pour que tu m'aimes encore" and "L'envie" with Johnny Hallyday.

[19][20] The show became the most watched television program of the French prime-time by attracting an average of 7,870,720 viewers and getting the 36,7 % share, setting a record for Les 500 Choristes Ensemble.

Later, on 29 December 2005, Dion performed three songs on the Symphonic Show, including "Je ne vous oublie pas", "I Believe in You" with Il Divo and "Le blues du businessman".

The first single, "Je ne vous oublie pas" was released on CD in France, Belgium and Switzerland on 10 October 2005, a week after the album.

[25] "Tous les secrets" CD single was issued in Francophone countries in Europe on 13 March 2006 and included English-language version of the song, titled "Let Your Heart Decide".