Glenn Miller and his orchestra recorded the tune several times, with a 1942 version reaching number two on the US Billboard pop music chart.

[1] In 1960, rhythm and blues singer Etta James recorded an arrangement by Riley Hampton that improvised on Warren's original melody.

Prior to release of Sun Valley Serenade, "At Last" was performed in the film by Glenn Miller and his orchestra, with vocals by John Payne and Lynn Bari, dubbed by Pat Friday.

The "At Last" vocal by Payne and Bari was thus deleted from the film, although instrumental versions remained, including in the Black Ice Ballet finale.

This latter rendition was eventually on LP in 1958, in the 20th-Fox double-disc (TCF-100-2) Glenn Miller Compilation of His Original Film Soundtracks.The 1942 RCA Victor studio recording of "At Last" by Glenn Miller and his Orchestra featuring Ray Eberle on vocals was released as a U.S. Army V-Disc or Victory Disc by the U.S. War Department during World War II in October 1943 as No.

[14][15] Aguilera also recorded a studio version of the song, and it is registered with American Society of Composers, Authors and Publishers (ASCAP), but the cover remains unreleased.

Despite its modest pop chart standing, the song is well-known and is still played regularly on oldies radio stations and has become a musical standard.

Dion's version was produced by Humberto Gatica and Guy Roche and released as a promotional single in the United States in November 2002.

Frédéric Garat of RFI wrote that the song is "a lovely exercise which reveals the layer of blues hiding underneath the slightly prim and proper petticoats of the 'international star'.

"[37] Barnes & Noble's Editorial review commented, "Her solid rendition of Etta James's 'At Last' should satisfy her lovelorn fans.

Beyoncé won critical acclaim for her role Cadillac Records and has performed "At Last" several times since the movie was released, including in front of James herself.

"[43] John Kehe of The Christian Science Monitor wrote: "No one can channel Etta – she's a singular talent – but Beyoncé does it her own way and conjurs enough emotion and grit to make it work in the context of the movie.

"[48] By contrast, Thom Jurek of Allmusic wrote that on "At Last", Beyoncé possesses little of the legendary singer's power or edgy finesse.

[55] Beyoncé performed the song live at Barack Obama's first dance with his wife Michelle during the Neighbourhood Ball on the night of his inauguration as President of the United States.

[19]Etta James, who was not happy at all, remarked to the audience at a concert from the stage of Seattle's Paramount Theatre a week later: You guys know your president, right?

It was performed in the penultimate section of the concert when Beyoncé appeared on stage wearing a long gold sparkly gown with lights at her from all around the arena.

[60][61][62][63] A writer of South Florida Times praised the video montage saying that it was "beautifully" edited and added that Beyoncé made a "perfect melding" of past and present with the performance of the song.

[61] Rolling Stone's Caryn Ganz commented that the performance of the song showed a "torchy ... display of vocal gymnastics".

[62] Jay Lustig of New Jersey On-Line commented that the performances of "At Last" were "as riveting as anything that had come before" during the concert and noted that "Few pop or R&B divas could be as compelling with all the visual hoopla stripped away.

[69] Jim Farber of the Daily News gave a mixed performance for the song, noting that "Her run at 'At Last' still lacks the terrific sense of relief Etta James manages effortlessly.

[72] During The Sound of Change Live charity concert held at Twickenham Stadium in London on June 1, 2013, Beyoncé also performed "At Last".

[73] Alice Vincent of The Daily Telegraph noted that the cover reflected the event's purpose and proved Beyoncé can "own a big ballad".