Dianna Agron rocks underwear as outerwear while leaving NOTHING to the imagination in sheer bustier gown for Dior fragrance launch

By Ciara Farmer For Mailonline

Published: 03:57 EST, 1 February 2017 | Updated: 03:59 EST, 1 February 2017

She soared to fame in squeaky clean musical show Glee. 

Yet Dianna Agron appears determined to shed her good girl image as she slipped into an incredibly raunchy ensemble for the Dior Poison Girl Eau de Toilette International Launch in New York on Tuesday. 

The 30-year-old actress, who is best known as bratty cheerleader Quinn Fabray on the show, looked simply sensational in a sheer gown which boasted a racy sheer bustier paired with a full-bodied skirt - perfect for flaunting her flawless physique.

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Wow! Dianna Agron appears determined to shed her good girl image as she slipped into an incredibly raunchy ensemble for the Dior Poison Girl Eau de Toilette International Launch in New York on Tuesday

Dianna, who joined a bevy of stars in helping launch the fragrance by the fashion giant, while ensuring she gave a nod to the designer by slipping into a Christian Dior gown.

The sizzling number comprised of a racy bustier which boosted her perky assets while also bringing underwear into outerwear. 

In true edgy style, the gown comprised of sexy lingerie with a sporty touch as the straps and waistband were slapped with the wording: 'Christian Dior'. 

Beneath the full-bodied skirt on the gown was a pair of high-waisted knickers which acted to show off her slender and gym-honed middle. 

Woah mama: The 30-year-old actress, who is best known as bratty cheerleader Quinn Fabray on the show, looked simply sensational in a sheer gown which boasted a racy sheer bustier paired with a full-bodied skirt - perfect for flaunting her flawless physique

Hot look: Dianna, who joined a bevy of stars in helping launch the fragrance by the fashion giant, while ensuring she gave a nod to the designer by slipping into a Christian Dior gown

As she flounced into the bash, Dianna sported a stunning and complementary monochrome coat with an exaggerated white collar and black body. 

Keeping her beauty regimen simplistic meant the blonde beauty could best flaunt her stunning natural good looks. 

A smudge of liquid and pencil eyeliner drew out her dazzling eyes while she slicked her pout with a bold pink lip stain. 

Her honeyed tresses were styled into an elegant chignon, which meant her bust and slender shoulders were displayed to maximum effect.  

Natural beauty: As she flounced into the bash, Dianna sported a stunning and complementary monochrome coat with an exaggerated white collar and black body

Blonde babe: Her honeyed tresses were styled into an elegant chignon, which meant her bust and slender shoulders were displayed to maximum effect

Perky in pink: A smudge of liquid and pencil eyeliner drew out her dazzling eyes while she slicked her pout with a bold pink lip stain

Dianna celebrated her three-month wedding anniversary to husband Winston Marshall earlier this month. 

She was recently spotted without her new husband Winston, best known as the banjoist in the Grammy Award-winning British folk rock band Mumford & Sons.

The lovebirds - who became engaged in December 2015 - were first seen out together in Paris during the summer before and have remained inseparable since.

Dianna tied the knot with Marshall last year in a lavish ceremony at a far-flung Moroccan resort in October, complete with a Valentino gown and an elite guest list. 

Hot stuff! Dianna celebrated her three-month wedding anniversary to husband Winston Marshall earlier this month

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