"Let It Go'" is a song by British recording artist Alexandra Burke from her second studio album, Heartbreak on Hold (2013). It was released in the United Kingdom on 27 May 2012 as the album's second and final single. "Let It Go" is an uptempo 90s throwback dance song drawing influences from the dance-pop and R&B genres.

"Let It Go" received generally favourable reviews from music critics, who deemed the song the best song on the album, along with its catchy tune and production; however, minority of critics found the song generic. The song was unable to match the success like "Elephant", only peaking inside the UK Top 40.

In an interview with Peter Robinson for Popjustice, Burke explained the song's conception and development. Burke revealed that she did not co-write the song, but was involved with the writing camp, a series of sessions where writers and producers met Burke in order to create material for Heartbreak on Hold, and that "Let It Go" was written during the sessions. She explained the meaning behind the songs lyrics, saying:

For me, it's about letting go of life’s stresses full stop. I’ve had to gain some thick skin while being in this business. I'm not going to say I'm perfect at tackling the negative but I try to turn things that don't feel right into something positive.

On 13 April 2012, "Let It Go" premiered on the Kiss radio station, and serves as Heartbreak on Hold's official second single. "Let It Go" was made available to download via iTunes on 25 May 2012 in Ireland and the United Kingdom, as well as multiple other European countries. It was released as an extended play (EP) and consists of "Let It Go"; "Let It Go" (Bimbo Jones Remix); "Let It Go" (Rui da Silva Remix) and "Let It Go" (Digital Dog Remix); each version can be purchased individually or all together.

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