It is a dance and pop song with uplifting lyrics that speak about coming back up when you get knocked down, with music critics drawing comparisons to "Stronger (What Doesn't Kill You)" by Kelly Clarkson.

An accompanying music video featuring a kaleidoscope camera effect, geometric and black and white checkerboard backgrounds drew further comparisons to the works of Janet Jackson, La Roux, Madonna, and the song "Scream & Shout" by willi.am and Britney Spears.

"Boomerang" was Scherzinger's last release under Interscope, and upon announcing her second studio album, Big Fat Lie (2014), she confirmed that the song was now a standalone single.

The US edition was to include an alternate track listing, made up of "a mixture of strong dance anthems, urban twists and uplifting songs".

"[3] In late 2011, Scherzinger was a judge on the inaugural season of music competition show The X Factor USA and performed the song "Pretty", recorded for the US version of Killer Love.

[14] In 2013, when asked about whether she would return to judge the 10th series, Scherzinger had doubts, noting that the live shows of the competition would clash with plans to release a new album worldwide in November that same year.

", to which Scherzinger replied that that previous label, Interscope, did not put the album out "and Sony are believers, so I'm excited for new music to come out finally.

[18][20] A review from The Irish Times compared the song to "Stronger (What Doesn't Kill You)", a 2012 single by Kelly Clarkson, calling "Boomerang" a less subtle version.

He went on to praise the song's overall production, "she sings with wide-eyed determination over a fuzzy, club-friendly beat courtesy of will.i.am – who for once supplies a relatively pop-by-numbers melody that grows on the ears".

[18] "John Dingwell, writing a review for the Daily Record, said, "Boomerang is a brassy banger that will appeal to younger music fans but scratch the surface and there's only limited shelf life to it.

[25][26] Similarly, despite Scherzinger appearing on Capital FM to promote the release, it "wasn't deemed 'relevant' by radio bosses".

The Official Charts Company noted that although the song opened strong at the start of the week, sales had slowed by the end, resulting in it falling from number one in the midweek listings.

Production company HSI London also worked on the video, with Mathieu Pleinfosse serving as Director of Photography, David Poucet as Editor, and JaQuel Knight handling choreography.

[32] At the time, Scherzinger was also serving as a judge on the ninth UK series of The X Factor, and brought contestants James Arthur and Jahméne on set.

[35] MTV News' Michael Depland compared the "spectacular face" delivered by Scherzinger to those made by contemporary R&B singer Brandy Norwood in the music video for "What About Us?"

[39] In the week leading up to the song's release, Scherzinger performed "Boomerang" live for the first time on BBC One's charity TV programme Let's Dance For Comic Relief on March 2, 2013,[40] and again at the Give It Up For Comic Relief charity concert in London's Wembley Arena on March 6, 2013.

[41] The day after its release, Scherzinger performed the song live on The Jonathan Ross Show and on stage at G-A-Y nightclub in London, UK both on March 9, 2013.

Scherzinger wears a see-through black mesh dress with a light blue and pink patterned jacket, alongside an elaborate chain necklace that covers her chest and metallic silver high-heeled shoes.