Nicky Hilton exudes elegance in plunging monochrome skater dress as she joins demure Mandy Moore at the Ralph & Russo AW18/19 show in Paris

She was the picture of glamour at the star-studded Schiaparelli fashion show just hours earlier.

And Nicky Hilton ensured all eyes were on her once again as she attended the Ralph & Russo AW18/19 show with actress Mandy Moore during Paris Haute Couture Fashion Week on Monday afternoon.

The socialite, 34, took the plunge in a perilously low-cut skater dress, embellished with trendy polka dots throughout.

Show-stoppers: Nicky Hilton (left) ensured all eyes were on her once again as she attended the Ralph & Russo AW18/19 show with actress Mandy Moore (right) during Paris Haute Couture Fashion Week on Monday
Show-stoppers: Nicky Hilton (left) ensured all eyes were on her once again as she attended the Ralph & Russo AW18/19 show with actress Mandy Moore (right) during Paris Haute Couture Fashion Week on Monday

Show-stoppers: Nicky Hilton (left) ensured all eyes were on her once again as she attended the Ralph & Russo AW18/19 show with actress Mandy Moore (right) during Paris Haute Couture Fashion Week on Monday

Upping the style ante, the businesswoman's frock featured delicate ruffle shoulder details, as well as a statement velvet ribbon.

The statuesque star added to her height in a pair of elegant gladiator stilettos, and toted a chic quilted handbag.

The New York native swept her blonde tresses into a quiff ponytail to reveal her striking beauty, which was enhanced with fluttery false lashes, a heavy smokey eye look and nude lipstick.

Family first: The socialite, 34, took the plunge in a perilously low-cut skater dress, embellished with trendy polka dots throughout (joined by her parents Kathy and Richard)

Family first: The socialite, 34, took the plunge in a perilously low-cut skater dress, embellished with trendy polka dots throughout (joined by her parents Kathy and Richard)

Pick polka dots like Nicky in a Valentino dress

Paris Haute Couture Fashion Week has kicked off this week so, naturally, the stars have flocked to the French capital to soak up the sartorial goodness in all its glory.

One such star is heiress Nicky Hilton, looking resplendent in a polka dot dress from Valentino's Pre Fall 2018 collection.

We love the plunging neckline and layered ruffle shoulder detail. The velvet bow is a nice touch too! Striking polka dots are big news for SS18 so why not get a piece of the polka dot pie with the help of our edit below.

This dress by Rixo, available at NET-A-PORTER, is top of our list! Team yours with swept-up hair to make the most of the neckline and some block heel sandals.

Alternatively, click the link to your right to shop Valentino's current collection at MyTheresa...

* PRICES MAY NOT BE AS ADVERTISED

Meanwhile, Tangled star Mandy, 34, oozed sophisticated as she slipped her famously slender physique into a demure nude gown, decorated with metallic mesh details and oversized sleeves.

The actress tied in her look with a pair of silver strappy heels, and accessorised with an array of silver rings.

The Hotel Noir star intensified her look with heavy strokes of lilac-toned make-up, and framed her stunning visage with her lightly-curled tresses.

Wow-factor! Tangled star Mandy, 34, oozed sophisticated as she slipped her famously slender physique into a demure nude gown, decorated with mesh details and oversized sleeves
Wow-factor! Tangled star Mandy, 34, oozed sophisticated as she slipped her famously slender physique into a demure nude gown, decorated with mesh details and oversized sleeves

Wow-factor! Tangled star Mandy, 34, oozed sophisticated as she slipped her famously slender physique into a demure nude gown, decorated with mesh details and oversized sleeves

Looking good: The actress tied in her look with a pair of silver strappy heels, and accessorised with an array of silver rings

Looking good: The actress tied in her look with a pair of silver strappy heels, and accessorised with an array of silver rings

Simply stunning: The Hotel Noir star intensified her look with heavy strokes of lilac-toned make-up, and framed her stunning visage with her lightly-curled tresses

Simply stunning: The Hotel Noir star intensified her look with heavy strokes of lilac-toned make-up, and framed her stunning visage with her lightly-curled tresses

Milkshake hitmaker Kelis showcased her eccentric fashion sense in a semi-sheer frock, adorned with black petals.

The singer, 38, added a pop of colour to her look as she rocked a turquoise blue high-top fade cut, and wore glittery purple eyeshadow.

Nicky - whose big sister is socialite and businesswoman Paris Hilton - is married to James Rothschild, grandson of the 3rd Baron Rothschild. 

Standing out: Milkshake hitmaker Kelis showcased her eccentric fashion sense in a semi-sheer frock, adorned with black petals
Standing out: Milkshake hitmaker Kelis showcased her eccentric fashion sense in a semi-sheer frock, adorned with black petals

Standing out: Milkshake hitmaker Kelis showcased her eccentric fashion sense in a semi-sheer frock, adorned with black petals

Vibrant: The singer, 38, added a pop of colour to her look as she rocked a turquoise blue high-top fade cut

Vibrant: The singer, 38, added a pop of colour to her look as she rocked a turquoise blue high-top fade cut

Sparkling: Kelis stunned in shimmery purple eyeshadow, which she complemented with a glittery nude lip shade
Sparkling: Kelis stunned in shimmery purple eyeshadow, which she complemented with a glittery nude lip shade

 Sparkling: Kelis stunned in shimmery purple eyeshadow, which she complemented with a glittery nude lip shade

James and Nicky tied the knot at the Orangery at Kensington Palace, the London home of William and Kate, Duke and Duchess of Cambridge.

Before getting married to James, Nicky married her old friend Todd Meister in Las Vegas in 2004, then had the union annulled before the year was out.

Nicky and James welcomed their eldest daughter in 2016, and their younger daughter Teddy was born five days before Christmas last year.

Vision in blue: Natalia Vodianova accentuated her modelesque figure in a cobalt blue midi dress

Vision in blue: Natalia Vodianova accentuated her modelesque figure in a cobalt blue midi dress

Chic: Ashley Hutson (left) and Doina Ciobanu (right) looked stunning in their stylish ensembles as they attended the star-studded event
Chic: Ashley Hutson (left) and Doina Ciobanu (right) looked stunning in their stylish ensembles as they attended the star-studded event

Chic: Ashley Hutson (left) and Doina Ciobanu (right) looked stunning in their stylish ensembles as they attended the star-studded event

Meanwhile, Paris, who has never been married before, is currently engaged to little-known actor Chris Zylka.

Family insiders revealed exclusively to DailyMail.com that 37-year-old businesswoman and her partner will tie the knot on November 11.

A source revealed: 'No one is quite sure of the significance of the '11/11' wedding date, but that's what they've chosen.'

The pair will walk down the aisle in the same Beverly Hills Catholic church her parents Richard and Kathy said I do, as well as Elizabeth Taylor and Nicky Hilton.

Golden girl: Lala Rudge wowed the crowd in a metallic gold skirt, tied in with a satin blouse

Golden girl: Lala Rudge wowed the crowd in a metallic gold skirt, tied in with a satin blouse

The DJ became engaged to the Leftovers star when he popped the question over New Year's weekend at the end of last year, and she recently admitted that the last few months have been some of the happiest of her life.

Gushing over her husband-to-be to Entertainment Tonight in March, Paris said: 'I just have never felt happier in my life and I feel like I'm glowing and just feel, I don't know, just like a woman, just like an adult. I feel like my life is finally just starting.' 

Meanwhile, Mandy recently completed a grueling trek to the top of Mount Kilimanjaro - a trip she had dreamed of all her adult life.

Stylish: Camila Coelho (left) opted for a feathered co-ord while Mohammed Al Turki went casual in a pair of indigo jeans and a khaki green jacket
Stylish: Camila Coelho (left) opted for a feathered co-ord while Mohammed Al Turki went casual in a pair of indigo jeans and a khaki green jacket

Stylish: Camila Coelho (left) opted for a feathered co-ord while Mohammed Al Turki went casual in a pair of indigo jeans and a khaki green jacket

In an interview with Stephen Colbert, she explained: 'They said the most important thing was to stay hydrated, which meant that we were all peeing a lot.'

The TV star, who was joined on her trek by two pals and her fiancé Taylor Goldsmith, revealed that the longer way of relieving oneself was called 'taking a meeting.'

The overall climb took them 'a week,' and their final stretch began at 'midnight,' ending early enough for them to see day break from the summit. 

The stars were out in force for the AW18 couture show, which saw 111SKIN partner with Ralph & Russo on the pre-makeup prep, that featured striking cuts and luxurious fabrics.

Making a statement: Caroline Daur put on a typically chic display as she slipped into a oversized shirt, tucked into a pale pink midi skirt

Making a statement: Caroline Daur put on a typically chic display as she slipped into a oversized shirt, tucked into a pale pink midi skirt

Stunning: The models showcased creations from the Fall/Winter 2018/19 Haute Couture collection of British designers Tamara Ralph and Michael Russo
Stunning: The models showcased creations from the Fall/Winter 2018/19 Haute Couture collection of British designers Tamara Ralph and Michael Russo

Stunning: The models showcased creations from the Fall/Winter 2018/19 Haute Couture collection of British designers Tamara Ralph and Michael Russo

Big week: The presentation of the Haute Couture collections runs from 01 to 05 July
Big week: The presentation of the Haute Couture collections runs from 01 to 05 July
Big week: The presentation of the Haute Couture collections runs from 01 to 05 July

Big week: The presentation of the Haute Couture collections runs from 01 to 05 July

Mrs White and Miss Scarlet: The collection presented some sensational designs
Mrs White and Miss Scarlet: The collection presented some sensational designs

Mrs White and Miss Scarlet: The collection presented some sensational designs

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Nicky Hilton and Mandy Moore exude elegance at Ralph & Russo show

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