[37] The single also attracted the attention of conservatives including celebrities such as Debbie Gibson that spoke out against its lyrical content, and was eventually considered "too provocative" to be sung by a teen idol.

[45][46] Originally, Aguilera's desire was to create material inspired by R&B and soul, but the label opted for a more teen pop production due the genre's high financial return in the late 1990s.

[57] Three singles were release for the album including the Spanish version of "Come On Over Baby (All I Want Is You)" titled "Ven Conmigo (Solamente Tú)", "Pero Me Acuerdo de Ti" and "Falsas Esperanzas".

[91][92] Upon release, the album received generally mixed reviews but found commercial success and debuted at number two on the Billboard 200, and eventually was certified five times platinum by the RIAA.

[105] In August 2003, at the 2003 MTV Video Music Awards, Aguilera opened the show singing "Like a Virgin" and "Hollywood" alongside Britney Spears.

[113] In August 2004, Aguilera recorded a cover of "Car Wash" alongside rapper Missy Elliott for the soundtrack of the DreamWorks Animation film Shark Tale.

[120] The song achieved commercial success, peaked at number six on Billboard Hot 100 and has sold 1.7 million digital copies in the US[121] The single eventually earned her the Grammy Award for Best Female Pop Vocal Performance.

[140] Rolling Stone highlighted its "numerous sets and costumes changes" emphasizing Aguilera's "evolution from bubblegum starlet to dirrty vixen to her current incarnation as retro-styled soul siren".

[150] In April 2008, Aguilera appeared in Martin Scorsese's documentary, Shine a Light (which chronicled a two-day concert by the Rolling Stones at the Beacon Theatre), where she performed "Live with Me" with Mick Jagger.

[184] For the show's first season, Aguilera's duet of her song "Beautiful" with her finalist, Beverly McClellan, debuted at number 74 on the US Billboard Hot 100 with first-week sales of 42,000 downloads on iTunes.

[205][206] In May 2013, Aguilera appeared on Alejandro Fernández's cover of Miguel Gallardo's 1976 "Hoy Tengo Ganas de Ti" which received critical acclaim and earned them a diamond certification in Mexico.

[236] In January 2017, Aguilera performed "Stormy Weather" on the ABC television special Taking the Stage: African American Music and Stories That Changed America.

[273] In October 2019, Aguilera released the song "Haunted Heart" from the soundtrack of the animated film, The Addams Family,[274][275][276] and her second collaboration with A Great Big World, "Fall on Me", followed a month later.

[337] As a young girl, The Sound of Music (1959) and its lead actress, Julie Andrews, became her early references to sing and perform, in addition to broadening her interest on Broadway.

[344][345] As a performer, Aguilera credits Madonna and Janet Jackson as major inspirations for being "positive female artists [who] aren't afraid to take chances, be daring, experimental and sexy".

I wanted to capture the authenticity of the glam era", after which she cited examples such as Marlene Dietrich, Marilyn Monroe, Greta Garbo, Veronica Lake, and the pin-up models.

[361] Maura Johnston, a journalist with Slate, called Aguilera's voice "an instrument that despite its ability to leap octaves has a low-end grounding similar to that possessed by opera singers".

[362] The Boston Globe columnist Joan Anderman highlighted her vocal versatility: "[She] is a real singer ... blessed with the sort of breathtaking elasticity, golden tones, and sheer power that separate the divas from the dabblers".

[357] Jon Pareles from The New York Times emphasized that "she can aim a note as directly as a missile or turn its trajectory into an aerobatic spiral of leaping, quivering, and scalloping melismas".

[358] Richard Harrington from The Washington Post also noticed similarities with both artists: "She has a genuinely powerful voice that's evoked comparisons [to them], though it for the most part avoids those singers' ornamental mannerisms".

[370] Writing for Entertainment Weekly, Chris Willman credits Aguilera's singing style as an influence of Mariah Carey, noting "her slightly nasal tone that really only becomes obvious when she's overselling a song".

[405] Gerrick D. Kennedy writing for the Los Angeles Times opined that Aguilera "tackled subject matters her contemporaries were shying away from" which made her stand out amongst her peers in the early 2000s.

[416] In 2015, she founded the MX Productions & Investments in partnership with fiancée Matthew Rutler, for which they was included in the investors' group of Pinterest, DraftKings, Lyft and MasterClass enterprises.

[417] Aguilera also joined the ownership group of Angel City FC, a National Women's Soccer League (NWSL) expansion team, and sexual wellness brand Playground.

[418][419] In March 2015, Aguilera and Rutler signed a deal with Lions Gate Entertainment to developed both scripted and unscripted projects which eventually was acquired by ABC Family and Spike TV networks.

[430] During her career, Aguilera has been involved in marketing initiatives and endorsed numerous brands including Sears, Levi's, Skechers, Mercedes-Benz, Virgin Mobile, Orange UK, Sony Ericsson, Oreo, SweeTarts, Just Eat, Lieferando, Menulog, and Merz Aesthetics.

[432] Aguilera also shot a global scale advertising campaign alongside South Korean singer Rain to promote Pepsi during the 2006 FIFA World Cup.

[446] Aguilera's efforts eventually earned her the Muhammad Ali Humanitarian Awards and George McGovern Leadership Awards—which she received in the White House from the former Secretary of State, Hillary Clinton.

[449][450] In 2010, Aguilera auctioned tickets to her concerts through Christie's, earmarking the proceeds to non-profit environmental organizations, including Conservation International and the Natural Resources Defense Council.

[453][454] She also was praised by People for the Ethical Treatment of Animals (PETA) for signed an open letter destined to Government of South Korea appealing to the ban of consumption of dogs and cats, and for using fake fox fur in concerts costumes.