Christina ‘Xtina’ Aguilera officially kicked off her 10-date Las Vegas residency at the brand new Voltaire Belle De Nuit located inside The Venetian Resort and Casino in Nevada on Saturday night.

The 43-year-old R&B belter had over 10 costume changes, selected by stylist Chris Horan, throughout the sold-out show inside the ‘seductively cozy’ 1K-seat key-hole themed theater.

Christina’s sexiest get-up was a black strapless PVC leotard designed by Anthony Ladd Canney and matching thigh-high boots she wore on a bed (a la Madonna) to perform a cover of Lesley Gore’s 1963 hit You Don’t Own Me.

Aguilera wore the same outfit to use her unmistakable four-octave soprano pipes to perform her 2002 raunchy hit Dirrty.

The five-time Grammy winner opened her concert perched on a platform while wearing a towering long red Dawna Oak gown, which cascaded on to the stage while belting her 2010 song Not Myself Tonight.

Christina ‘Xtina’ Aguilera officially kicked off her 10-date Las Vegas residency at the brand new Voltaire Belle De Nuit located inside The Venetian Resort and Casino in Nevada on Saturday

The 43-year-old R&B belter had over 10 costume changes, selected by stylist Chris Horan, throughout the sold-out show inside the ‘seductively cozy’ 1K-seat key-hole themed theater

Grace Jones originated the mountainous dress idea during her 1986 music video for I’m Not Perfect (But I’m Perfect for You), and Björk took the stunt even further performing at the 2004 Summer Olympics in Greece.

CHRISTINA’S OPENING NIGHT SET LIST

1. Not Myself Tonight

2. Your Body

3. Diamonds Are Forever

4. Glam

5. Vanity

6. Genie in a Bottle

7. You Don’t Own Me

8. Dirrty

9. Guy What Takes His Time

10. Ain’t No Other Man

11. Welcome to Burlesque

12. Lady Marmalade

13. Fighter

14. Beautiful

15. Diamonds Are a Girl’s Best Friend

Christina also showcased her shrinking 5ft2in figure in a halter-neck nude leotard and white thigh-high boots while performing her 2012 song Your Body.

Aguilera rocked a light-up blue dress with black leather thigh-high boots to perform a cover of Leo Robin and Jule Styne’s 1949 Broadway hit Diamonds Are a Girl’s Best Friend (made famous by Marilyn Monroe).

The Staten Island-born, half-Ecuadorian singer waved around a crystal-looking ornamental branch and, of course, wore a double-strand diamond necklace for the number.

Christina wore a glittery silver mini-dress to perform a cover of Christophe Beck’s 2010 song Welcome to Burlesque, which was famously originated by her Burlesque co-star Cher.

Aguilera continued to wear the dress with black opera gloves and thigh-high boots to sing her 2006 hit Ain’t No Other Man as well as her 2010 cover of Ralph Rainger’s 1933 song Guy What Takes His Time.

And the Learning to Fly songstress added a pair of large sunglasses to perform Bob Crewe and Kenny Nolan’s 1974 Labelle track Lady Marmalade, which she famously covered in 2001 alongside Lil’ Kim, Mýa, and Pink.

Christina wore a strapless silver midi-dress to sing her 1999 breakout single Genie in a Bottle as her back-up dancers wrapped her with rope.

Aguilera wore a black feathered Mugler catsuit as she sat on a diamond-shaped chair to perform a cover of John Barry and Don Black’s 1971 Bond theme Diamonds Are Forever (made famous by Shirley Bassey).

The platinum-blonde pop diva then joined her dancers on the catwalk to perform her 2010 track Glam while wearing the same all-black sheer costume.

Christina Aguilera reveals stunning preview of NYE performance

Christina’s sexiest get-up was a black strapless PVC leotard designed by Anthony Ladd Canney and matching thigh-high boots she wore on a bed (a la Madonna) to perform a cover of Lesley Gore’s 1963 hit You Don’t Own Me

Aguilera wore the same outfit to use her unmistakable four-octave soprano pipes to perform her 2002 raunchy hit Dirrty

The five-time Grammy winner opened her concert perched on a platform while wearing a towering long red Dawna Oak gown, which cascaded on to the stage while belting her 2010 song Not Myself Tonight

Grace Jones originated the mountainous dress idea during her 1986 music video for I’m Not Perfect (But I’m Perfect for You), and Björk took the stunt even further performing at the 2004 Summer Olympics in Greece

Christina also showcased her shrinking 5ft2in figure in a halter-neck nude leotard and white thigh-high boots while performing her 2012 song Your Body

Aguilera rocked a light-up blue dress with black leather thigh-high boots to perform a cover of Leo Robin and Jule Styne’s 1949 Broadway hit Diamonds Are a Girl’s Best Friend (made famous by Marilyn Monroe)

The Staten Island-born, half-Ecuadorian singer waved around a crystal-looking ornamental branch and, of course, wore a double-strand diamond necklace for the number

Christina wore a glittery silver mini-dress to perform a cover of Christophe Beck’s 2010 song Welcome to Burlesque, which was famously originated by her Burlesque co-star Cher

Aguilera continued to wear the dress with black opera gloves and thigh-high boots to sing her 2006 hit Ain’t No Other Man as well as her 2010 cover of Ralph Rainger’s 1933 song Guy What Takes His Time

And the Learning to Fly songstress added a pair of large sunglasses to perform Bob Crewe and Kenny Nolan’s 1974 Labelle track Lady Marmalade, which she famously covered in 2001 alongside Lil’ Kim, Mýa, and Pink

Christina wore a strapless silver midi-dress to sing her 1999 breakout single Genie in a Bottle as her back-up dancers wrapped her with rope

Aguilera wore a black feathered Mugler catsuit as she sat on a diamond-shaped chair to perform a cover of John Barry and Don Black’s 1971 Bond theme Diamonds Are Forever (made famous by Shirley Bassey)

The platinum-blonde pop diva then joined her dancers on the catwalk to perform her 2010 track Glam while wearing the same all-black sheer costume

Christina also draped her body in a voluminous red rose-laden cape (a la Diana Ross) to belt her 2002 hit Beautiful

Hairstylist Igor Rosales-Jackson coiffed Aguilera’s platinum-blonde flip and make-up artist Etienne Ortega fully contoured her complexion

The former Mouseketeer – who also performed her songs Vanity and Fighter – wore a black tuxedo blazer with cape at one point during her hit parade

After her NYE concert this Sunday, Christina – who shares the Voltaire venue with Kylie Minogue – is scheduled to return for shows on January 5-6, February 2-3, February 9-10, and March 1-2

Christina also draped her body in a voluminous red rose-laden cape (a la Diana Ross) to belt her 2002 hit Beautiful.

Hairstylist Igor Rosales-Jackson coiffed Aguilera’s platinum-blonde flip and make-up artist Etienne Ortega fully contoured her complexion.

The former Mouseketeer – who also performed her songs Vanity and Fighter – wore a black tuxedo blazer with cape at one point during her hit parade.

After her NYE concert this Sunday, Christina – who shares the Voltaire venue with Kylie Minogue – is scheduled to return for shows on January 5-6, February 2-3, February 9-10, and March 1-2.

‘I look forward to bringing Las Vegas a new show that fuses music, sophistication and art in ways I have never performed before,’ Aguilera told Billboard in a statement back in October.

‘What I love about the intimacy at Voltaire at The Venetian Resort is how up-close-and-personal I can be with the audience… a truly modern twist on the performance experience.’

The La Reina singer’s last Las Vegas residency – Christina Aguilera: The Xperience – at Planet Hollywood’s Zappos Theater ran for 24 concerts and grossed $10.2M in 2019-2020.

Christina donated one dollar from every ticket purchased to The Shade Tree, a 24-hour accessible emergency shelter in Southern Nevada for women and children in crisis.

Christina Aguilera performs in Melbourne

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Aguilera (pictured Saturday) told Billboard back in October: ‘I look forward to bringing Las Vegas a new show that fuses music, sophistication and art in ways I have never performed before. What I love about the intimacy at Voltaire at The Venetian Resort is how up-close-and-personal I can be with the audience… a truly modern twist on the performance experience’

The La Reina singer’s last Las Vegas residency – Christina Aguilera: The Xperience – at Planet Hollywood’s Zappos Theater ran for 24 concerts and grossed $10.2M in 2019-2020

On January 12, Christina will celebrate the 16th birthday of their son Max Liron Bratman (L, pictured in 2020) from her five-year marriage to music executive Jordan Bratman, which ended in 2011

And February 14 will mark the decade anniversary of Aguilera’s engagement to MasterClass executive VP Matthew Rutler (R, pictured November 23), with whom she shares nine-year-old daughter Summer Rutler (M)

On January 12, Aguilera will celebrate the 16th birthday of their son Max Liron Bratman from her five-year marriage to music executive Jordan Bratman, which ended in 2011.

And February 14 will mark the decade anniversary of the Cuando Me Dé la Gana crooner’s engagement to MasterClass executive VP Matthew Rutler, with whom she shares nine-year-old daughter Summer Rutler.

Christina famously met her 38-year-old fiancé in 2009 when he worked as a PA on the set of Burlesque, which grossed $90.5M at the box office despite dismal reviews.