A swell performance! Pregnant Christina Aguilera proudly shows off baby bump in tight black dress as she takes stage at Wango Tango
She is expecting her second child - a girl - around autumn time.
And Christina Aguilera was proudly showing off her growing baby bump as she took the stage at KIIS FM concert Wango Tango on Saturday night.
Showing no signs of slowing down, the 33-year-old powerhouse singer took to the Los Angeles stage in a tight black crochet dress.
Lovely in lace: Pregnant Christina Aguilera took to the stage at KIIS FM's Wango Tango concert on Saturday as she showed off her baby bump in a black crotched dress
And pregnancy certainly seems to be suiting the mother-of-one - during one song, she blissfully placed her hand on her baby bump.
The star wore heavy eye make-up and red lipstick for her performance, with her platinum blonde hair piled up into a loose updo.
Black and white houndstooth heels completed the look.
Singing to my baby: The songstress appeared to be trilling to her unborn child
Glowing and happy: Christina looked stunning in her black ensemble
No slowing down: The Voice coach has been busy performing at various concerts during her pregnancy
Christina's baby daddy is her beau of three years, film producer Matthew Rutler, who popped the question on Valentines Day.
The baby girl will be a sister for Christina's six-year-old son Max, who she shares with ex-husband Jordan Bratman.
Christina and Matthew met on the set of 2010 movie Burlesque, in which she starred with Cher and he was a film assistant.
Getting into the groove: The sexy singer pulled a great set of moves as she was on stage
Sexy mama: Christina looked amazing in a tight LBD showing off her toned pins
Blonde ambition: Pregnancy certainly seems to be suiting the mother-of-one - during one song, she blissfully placed her hand on her baby bump
Held high: Adam Levine brandished his mic stand as he performed athletically onstage
Feeling it: Levine closed his eyes as he crooned
Belting it out: The Maroon 5 singer gave a rousing performance
What a hunk: Adam's newly dyed blonde hair gave him a 90s edge
They currently live together in her palatial Mulholland Estates home in Los Angeles which she bought for $10 million last year.
The Genie In A Bottle hitmaker recently confirmed that No Doubt lead singer Gwen Stefani, 44, would be joining season seven of NBC's The Voice.
Peace out: Ariana Grande stepped out in a monochrome leather getup as she performed a set
Back ups: The 20-year-old had a troupe of dancers performing with her
Feeling the beat: The singer made sure to give her all
Crowd pleaser: Ariana sang to the packed audience
She's got it: Ariana looked like she was having a blast as she threw some shapes as she sang
The rocker will step in for Christina while she has her baby - the star has already signed on for season eight of the popular TV talent show.
Wango Tango is an annual day long concert produced by the Los Angeles-based radio station and was held on Saturday at the Stubhub Centre and hosted by Ryan Seacrest.
Major acts joining Christina in the line-up included Shakira, Ariana Grande, Iggy Azalea, Ed Sheeran and Calvin Harris.
Chequered girl: Iggy Azalea rapped in a monochrome suit
Throwing down: The Australian was a crowd-pleaser
Chequered lady: Iggy looked fab in her well-fitting suit and smiled as she rapped
What a figure: The star showed off her famous curves, pulling in her waist with a one-button jacket
Getting high: Levine was later seen jumping vigorously onstage
Airtime: The singer showed off his daredevil moves
Iggy looked striking in a black and white checked jacket and trousers combination, while Ariana plumped for the same colour combination with a crop top, matching skirt and co-ordinating thigh high boots.
Levine also took the stage showing off his newly dyed blonde peroxide hair do.
One of the highlights was a performance by Shakira, who took to shaking her hips with gusto.
Her hips don't lie: Shakira gave a sultry performance as the night drew on
Packed house: A massive crowd cheered on the Colombian songstress
Her hips don't lie: The singer put her all into the performance
After the show: Shakira hung about to chat to KIIS FM's hosts after her energetic performance
Baby guitar: Ed Sheeran played a small guitar as he belted out his emotional tunes
Wearing skin-tight ripped denim trousers and boots, the singer displayed her figure in a clingy T-shirt.
Dramatically clutching the microphone, the Colombian songstress let her blonde tresses hang in sexy tangle of waves over her shoulders.
Staying a bit more low key was Ed Sheeran, who sported a simple plaid shirt as she strummed his acoustic guitar onstage.
Singing out: Hayley Williams gave it her all onstage
Hey, you guys: The star looked like she was having oodles of fun as she pointed at the crowd
What a figure: Hayley's impressive figure was on display in a tight white t-shirt and plaid skirt
What a night: Hayley sat on the egde of the stage and let her singing do all the work
Guitar hero: Ryan Tedder of One Republic did a solo performance
Sweet moment: Ian Axel of A Great Big World chatted with Aguilera
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andrea57, USA, United States, 54 minutes ago
She looks great and can SING! Adam looks ridiculous