Chest the glimpse! Lottie Moss narrowly averts awkward nip slip as she manages to contain her cleavage in slinky silk dress while attending amfAR gala at Milan Fashion Week

She's got fashion in the family, as the half sister of iconic model Kate Moss.

Despite her stylish lineage, Lottie Moss narrowly avoided a fashion fail as her slinky silk dress almost flashed her chest on Thursday night at the glittering amfAR gala in Italy.

The 19-year-old model's assets nearly slipped out of her backless Jenny Packham gown but thankfully she averted a possible nip slip as her designer garment was scarefully taped to her bosom.

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Uh oh: Lottie Moss narrowly avoided a fashion fail as her slinky silk Jenny Packham dress almost flashed her chest on Thursday night at the glittering amfAR gala in Italy

Uh oh: Lottie Moss narrowly avoided a fashion fail as her slinky silk Jenny Packham dress almost flashed her chest on Thursday night at the glittering amfAR gala in Italy

Aside from the possible wardrobe malfunction, Lottie appeared more prom queen than style queen at the bash.

The blonde bombshell was sporting a mass of curls on the top of her head, that were loosely falling down to frame her pretty face.

Her slinky dress was backless, save for a strappy back, and featured a deep plunge in the front, which served to showcase her cleavage.

It clung tightly around her pert behind as she peeped over one shoulder, pursing her lips for the cameras. 

Wedding ready: Lottie turned out at the event in a bridal-inspired white gown
Wedding ready: Lottie turned out at the event in a bridal-inspired white gown

Wedding ready: Lottie turned out at the event in a bridal-inspired white gown

Chest the glimpse: The 19-year-old model's assets nearly slipped out of her backless gown but thankfully she averted a possible nip slip as her designer garment was scarefully taped to her bosom

Chest the glimpse: The 19-year-old model's assets nearly slipped out of her backless gown but thankfully she averted a possible nip slip as her designer garment was scarefully taped to her bosom

Willowy: The British beauty's dress showcased her lithe frame
Willowy: The British beauty's dress showcased her lithe frame

Willowy: The British beauty's dress showcased her lithe frame 

Free: The fashion star opted to go braless in her plunging number 

Free: The fashion star opted to go braless in her plunging number 

Walk this way: Lottie flashed her platform floral patterned heels as she navigated the cobbled Italian streets
Walk this way: Lottie flashed her platform floral patterned heels as she navigated the cobbled Italian streets

Walk this way: Lottie flashed her platform floral patterned heels as she navigated the cobbled Italian streets

Cheeky: As she held her floor-length in her hands, she drew attention to her pert posterior 

Cheeky: As she held her floor-length in her hands, she drew attention to her pert posterior 

Channel Hollywood glamour in Jenny Packham like Lottie

The amfAR galas around the world are star-studded events, on par with the biggest awards shows in the world. Expect the rich and famous covered in jewels and custom couture.

As the face of Bulgari, it comes as not surprise that Lottie Moss, lil sis to Kate, was absolutely swimming in diamonds and precious jewels. She wore the iconic Serpent necklace and carried a bejeweled lizard evening clutch by the brand as well.

Finishing off the super expensive look was a custom dress from Jenny Packham. Lottie's jewels may be out of reach, but luckily the satin wrap dress is a classic look that never goes out of style.

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Inside the event, Lottie was not able to raise a smile, choosing instead to show off her beautiful features with a pout.

She joined A-listers including Alessandra Ambrosio, Jourdan Dunn, Hailey Clauson and Hailey Baldwin, inside the fashion extravaganza. 

Instrumental in the fundraising effort, the Italian fashion houses are strong in their support for amfAR during the bi-annual celebration of Fashion Week in Milan.

Glittering: She was dazzling from head to toe

Prom style: Lottie wore her hair in an elegant updo with a dress that skimmed her curves

Red carpet ready: Lottie opted for a long, silk gown as she joined guests at the amfAR Gala in Milan on Thursday night

Red carpet ready: Lottie opted for a long, silk gown as she joined guests at the amfAR Gala in Milan on Thursday night

Silk siren: The blonde bombshell was looking slinky in her ivory gown

Silk siren: The blonde bombshell was looking slinky in her ivory gown

In the mood to party? Lottie didn't quite flash a smile
Perfect form: Her shape was looking sensational

Messy updo: Her hair was worn on top of her head in loose ringlets

Accessorised: She wore the dress with simple silver accessories featuring snakes

Accessorised: She wore the dress with simple silver accessories featuring snakes

To date, amfAR Gala Milano has raised over $12 million for amfAR's lifesaving research.

Past events have been chaired by the likes of Sharon Stone, Dakota Johnson, Heidi Klum, Rosario Dawson, Juliette Lewis, Karolina Kurkova, Jeremy Piven, Coco Rocha, Michelle Rodriguez, and Irina Shayk.

Lady in red: Lottie turned out for the Bvlgari bash in Italy on Wednesday night

Lady in red: Lottie turned out for the Bvlgari bash in Italy on Wednesday night

Charming: Lottie was accompanied by many dashing companions on her arrival

Charming: Lottie was accompanied by many dashing companions on her arrival

Fashion friends: Lottie and Jasmine Sanders posed together on the black carpet

Fashion friends: Lottie and Jasmine Sanders posed together on the black carpet

Style savvy: The pals looked sensational in their looks alongside Caroline Vreeland

Style savvy: The pals looked sensational in their looks alongside Caroline Vreeland

Lottie has been partying non-stop since Fashion Week entered its second week in London, which has now continued onto Milan.

Just the previous evening, the model was a guest at the Bvlgari bash, a brand for which she serves as an accessories ambassador.

This time, she wore striking red in an example of her typically polished and enviable red carpet credentials.

Bringing sexy back: Lottie's dressed backless, save for criss-crossing straps

Bringing sexy back: Lottie's dressed backless, save for criss-crossing straps

Taking the plunge: At the front, the gown featured a super-plunging neckline

Taking the plunge: At the front, the gown featured a super-plunging neckline

Posing: She was beautifully made up
Cold shoulder: Lottie peeped over her shoulder to get all her best angles

Cheeky: The dress skimmed over her pert bottom in the slinky, almost see-through fabric

Giddy: She looked positively giddy to be heading to the star-studded event

Giddy: She looked positively giddy to be heading to the star-studded event