It is a midtempo hip-hop, dubstep and synthpop song inspired by Azalea's personal dating experiences, and consists of bass-driven and synth-heavy production.

Described by Azalea as "a kind of rap duet", it features her singing on a track for the first time which she took upon to showcase growth and versatility from her previous material.

The video, which also pays homage to the films Blade Runner (1982) and Casino (1995), received acclaim from critics who praised its styling and cinematography.

Azalea promoted the single with live performances on 106 & Park, Alan Carr: Chatty Man, The Late Show with David Letterman and at the 2013 MOBO Awards.

"Change Your Life" was initially a demo written and recorded by Indian-American songwriter Raja Kumari who presented the song to Iggy Azalea's management.

However, she wanted to include a track with him on The New Classic because of their close relationship and his mentorship throughout her career; she believed "Change Your Life" was the right song to team up with him on.

[1] Jaycen Joshua completed the track's mixing process at Larrabee Sound Studios in North Hollywood, Los Angeles, with the assistance of Ryan Kaul.

[12][13][15] Charlotte Richardson Andrews of NME called it "a class mobility fantasy",[29] while John Lucas of The Georgia Straight denoted it as "a bite-sized motivational seminar".

[12][13][15] Azalea plays an accomplished woman aiming to positively influence her prospective partner's life, which she describes in one line as "[adding] muscle to [his] hustle".

[27][31][35] Azalea originally intended "Change Your Life" to be her debut single, instead of "Work", but her label told her "it would be a waste of time because not enough people know about [her] for it to make proper impact".

[25] "Change Your Life" was first made available for digital download in the United States on 12 September 2013, exclusively from the pre-order of an extended play (EP) of the same name.

[18] John Walker of MTV News also highlighted the crumpet reference, as well as Azalea's "lilting effortless swagger", and opined that the track was "indeed life-changing".

[27] Kevin Joy of The Columbus Dispatch echoed this view; he felt Azalea had "no shortage of swagger" and in turn made the song "saucy, strong-willed" and "so much fun".

[24] Idolator's Mike Wass suggested that the song could lift Azalea "from mixtape favorite to genuine contender", and opined that it had the "gigantic pop hook [she] needed to conquer US airwaves".

[26] Nolan Feeney of Time praised Azalea's conviction and "rapid-fire" delivery, and named the track as one of three highlights on The New Classic[59]—a view echoed by Andy Gill of The Independent and Luke Winkie of The Austin Chronicle.

[63] In a mixed review, Digital Spy's Robert Copsey gave "Change Your Life" a three (out of five) star-rating, and complimented its combination of Azalea's "ferocious rapping quirks with a hook-laden and radio friendly chorus", but felt the song "doesn't completely hit the spot".

[66] In the United Kingdom, Music Week reported on 16 October 2013 that "Change Your Life" placed at number eight in the mid-week UK Singles Chart.

[70] "Change Your Life" became Azalea's second top 40 hit in Ireland where it debuted and peaked at number 28 on the Irish Singles Chart for the week-ending 17 October 2013.

[86] She recalled a past-time where she visited Las Vegas as a child and became fond of showgirls, and wanted the music video's storyline to revolve around a similar scenario.

[86] Azalea felt the scene was also important because she wanted to address recent criticism of her small breasts and use it as means of female empowerment for other women who deal with a similar issue.

A scene in the music video recreates the film's characters Sam (Robert De Niro) and Ginger (Sharon Stone)'s house scenario, and was shot on the same location with the same swimming pool.

's wardrobe were coordinated by Alejandra Hernandez, and consisted of designs by Brioni, Giorgio Armani, Moschino, Patricia Field and Tom Ford.

Azalea is then shown lounging on the springboard; her hair is wet and slicked-back, and she wears a vintage bikini that has a transparent, chain-mail top and a red bottom.

The Daily Telegraph said the video "caused an internet storm" and became the number one trending topic worldwide on Twitter, with Azalea encouraging women who have smaller breasts to embrace themselves with the hashtag "#FashionTits".

called the video "glamorous", and felt it was an "ode to luxury", and Azalea's topless scene paid homage to that of Phoebe Cates' in the 1982 film Fast Times at Ridgemont High.

[20] Similarly, Idolator's Bianca Gracie opined that the "glamorous visual [would make 'Change Your Life'] even more of a pop crossover smash", and felt its film inspirations were a "fitting backdrop" for Azalea, and also noted that she "amped up the sex factor".

[98] Gracie went on to conclude, "Azalea is one of the few rappers out today who breaks out of the champagne-bottles-and-Bugatti video mold, and actually takes the time to create visual cinematic stories".

[98] Oyster described it as "hella good", and echoed Gracie's sentiment: "['Change Your Life'] sees her continuing her tradition of making clips that aren't just sexy—they've got cinematic chutzpa too.

[101] Parry Ernsberger of MTV News said Azalea "ups the wardrobe ante" in the video, and deemed her "the ultimate showgirl" and the visual a "cinematic mini-film".

[105] Azalea first performed the solo version of "Change Your Life" as part of her setlist for the iTunes Festival in September 2013, where she was an opening act for Katy Perry.