She IS Fancy! Charli XCX flashes her knickers and chest in a plunging sheer white lace gown at Billboard Women in Music luncheon

By FEHINTOLA BETIKU FOR MAILONLINE

She sang about being fancy when she featured on Iggy Azalea's hit single.

Proving just how desirable she is Charli XCX wowed in white at the Billboard Women In Music luncheon on Friday in New York.

The 22-year-old was every bit a sexy siren as she took to the red carpet in a floor length lace gown, which revealed her knickers and chest.

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She IS fancy! Charli XCX wowed in white at the Billboard Women in Music luncheon on Friday in New York

Sexy siren: The 22-year-old slipped into a floorlength lace gown which featured a deep V-cut neckline

Charli, real name Charlotte Aitchison, wore her brunette hair, which was styled in loose curls, to one side as she lined her lips with a shade of scarlet.

Showing off her curves, Aitchison's revealing fishtail dress featured a deep V-cut neckline.

Standing tall, the British songstress wore a pair of white stilettos as she accessorised with a choker, sparkly bracelet, rectangular earrings and lilac talons.

Putting her best foot forward, Charli's stunning number drew similarities to the backless Michael Costello gown Beyoncé wore to the Grammy Awards earlier this year.

Charli XCX wears plunging sheer gown at Billboard event

Chucking up the deuces: The British singer flashed the peace sign as she made her way into the venue

Beautiful: Charli wore a shade of scarlet lipstick as she lined her brown eyes with black eyeliner

From all angles: The Fancy singer struck various poses before heading to the red carpet for the photocall

Gorgeous: Charli accessorised her look with rectangular earrings, a sparkly bracelet and a choker

Who rocked it better? Charli's gown drew resemblance to the the backless Michael Costello gown Beyoncé wore to the Grammy Awards in January

With guests including Queen Bey, Jessie J, Taylor Swift and the legend that is Aretha Franklin all in attended Charli was jubilant as Paramore's Hayley Williams presented her with the Hitmaker Honor.

Taking to the stage to collect her award, according to Billboard XCX quipped: 'Wow I'm so nervous!

'It's really cool to be at a music industry event where over half the people in the room have vaginas. P**** power!'

She continued: 'To be recognized for my work as a songwriter is really incredible because that's something I care about so much. It's been fabulous and f***ing wild. Every single woman in this room is so incredible.'

Following the star-studded luncheon, Charli tweeted: 'ok so i met Beyonce earlier and she is genuinely the most gracious woman in the world.'

'Over half the people in the room have vaginas': During the event, Charli received the Hitmaker Honor

Simply stunning: Charli, who has featured on songs with Icona Pop and Iggy Azalea, worked the red carpet

'It's been fabulous and f***ing wild': Charli was presented with her award at the luncheon by Hayley Williams

Ahead of the event, Charli XCX continued her promotional assault on the US as she prepares for the release of her second album, Sucker, which is out December 15.

However as she made an appearance on The Elvis Duran Z100 Morning Show for a live interview it was her outfit that dominated.

The Cambridge born singer she was in high spirits during the chat as she sported an animal print Adidas jumper and black mini skirt with a faux fur lined PVC coat.