Question: Who sang the theme song to beauty and the beast?

Disambiguated questions and answers:
context: At the 1992 Oscars, Angela Lansbury, Celine Dion, and Peabo Bryson sang a composite of both versions from the film, backed by dancers dressed as Belle and the Beast. Celine and Peabo also duetted at the Grammys, World Music Awards, AMA's, "Wogan", "The Tonight Show", and "Top of the Pops" later that year. The duo reunited in 1996 to perform the song for the television special "Oprah in Disneyland", while Lansbury provided an encore performance at the 25th Anniversary screening of the film. Each of the 3 respective artists have performed the song in concerts later in their careers, outside the context of Disney's "Beauty and the Beast". For example, Lansbury sang it at the 2002 Christmas concert with Mormon Tabernacle Choir. Similarly, Dion and Bryson duetted at the JT Super Producers 94 tribute concert to David Foster, and as part of Dion's 1994-95 The Colour of My Love Tour, though they have also often sung with different duet partners. Dion has sung with Tommy Körberg, Brian McKnight, Terry Bradford, Maurice Davis, Barnev Valsaint, and René Froger among others; Peabo has sung with Coko and Regine Velasquez.
question: Who sang the theme song to beauty and the beast in the movie?
short_answers: Angela Lansbury
wikipage: Beauty and the Beast (Disney song)
context: Unlike Lansbury's version, the Dion-Bryson single has earned generally mixed reviews; critics generally voice their preference for Lansbury's version over Dion and Bryson's. Filmtracks.com wrote that Dion's performance "made many fans wish that she had been given it as a solo". Arion Berger of "Entertainment Weekly" praised Dion's vocals, describing "Beauty and the Beast" as "a perfect showcase for what she's best at". Describing the duet as "extremely effective", "Sputnikmusic"s Irving Tan lauded the single, writing, "As the entirety of the film's poignancy is hinged on the chemistry between Bryson and Dion, having the pair pull their assignment off beautifully is ultimately a fantastic conclusion to events". Jeff Benjamin of Fuse described the song as "a fantastic duet". However, the "Chicago Tribune"'s Brad Webber panned the rendition as a "sickly sweet, by-the-book ... standard" that "belie[s] [Dion's] talent", while "The Star"'s Michael Cheang accused the single of being "over-wrought". Critics have been vocal in their preference for Lansbury's rendition; while praising the film version, "Spin"s Andrew Unterberger dismissed the single as "unbearably cloying". Similarly, Kristian Lin of "Fort Worth Weekly" panned the single while complimenting Lansbury's version, advising audience members to "Clear out of the theater before Celine Dion and Peabo Bryson butcher the title song over the end credits," while "Consequence of Sound"s Dan Caffrey felt that "It's a shame that the most globally known version of 'Beauty and the Beast' is the one sang by Celine Dion and Peabo Bryson as opposed to the one sung by" Lansbury. 
question: Who sang the theme song to beauty and the beast on the soundtrack single?
short_answers: Celine Dion and Peabo Bryson
wikipage: Beauty and the Beast (Disney song)
context: The song is also featured in the 2017 live-action adaptation; sung by Emma Thompson as Mrs. Potts during the film and also as a duet cover version by Ariana Grande and John Legend during the end credits. Grande and Legend's version of the song is an homage to the cover performed by Dion and Bryson for the 1991 film.
question: Who sang the theme song to beauty and the beast in the 2017 live-action adaptation?
short_answers: Emma Thompson
wikipage: Beauty and the Beast (Disney song)
context: The song is also featured in the 2017 live-action adaptation; sung by Emma Thompson as Mrs. Potts during the film and also as a duet cover version by Ariana Grande and John Legend during the end credits. Grande and Legend's version of the song is an homage to the cover performed by Dion and Bryson for the 1991 film.
question: Who sang the theme song to beauty and the beast in the end credits of the 2017 live-action adaptation?
short_answers: Ariana Grande and John Legend
wikipage: Beauty and the Beast (Disney song)

Long-form answers:
knowledge: content: "Beauty and the Beast" is a song written by lyricist Howard Ashman and composer Alan Menken for the Disney animated feature film Beauty and the Beast (1991). The film's theme song, the Broadway-inspired ballad was first recorded by British-American actress Angela Lansbury in her role as the voice of the character Mrs. Potts, and essentially describes the relationship between its two main characters Belle and the Beast, specifically how the couple has learned to accept their differences and in turn change each other for the better.
wikipage: Beauty and the Beast (Disney song)
content: "Beauty and the Beast" was subsequently recorded as a pop duet by Canadian singer Celine Dion and American singer Peabo Bryson, and released as the only single from the film's soundtrack on November 25, 1991. 
wikipage: Beauty and the Beast (Disney song)
content: The song is also featured in the 2017 live-action adaptation; sung by Emma Thompson as Mrs. Potts during the film and also as a duet cover version by Ariana Grande and John Legend during the end credits.
wikipage: Beauty and the Beast (Disney song)
long_answer: "Beauty and the Beast" is a song that was written in 1991 by lyricist Howard Ashman and composer Alan Menken for the Disney animated feature film Beauty and the Beast. The film's theme song was first recorded by British-American actress Angela Lansbury in her role as the voice of the character Mrs. Potts, and essentially describes the relationship between its two main characters Belle and the Beast, specifically how the couple has learned to accept their differences and in turn change each other for the better. "Beauty and the Beast" was subsequently recorded as a pop duet by Canadian singer Celine Dion and Peabo Bryson, and released as the only single from the film's soundtrack on November 25, 1991. The song is also featured in the 2017 live-action adaptation; sung by Emma Thompson as Mrs. Potts during the film and also as a duet cover version by Ariana Grande and John Legend during the end credits.