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.
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.
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. The 30-year-old actress 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 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 Dianna Agron has got quite a collection of dreamy dresses in her wardrobe.
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.