Alessandra Ambrosio goes braless in a semi-sheer black top and pinstriped miniskirt at 2015 BrazilFoundation bash

She's made her fortune modelling Victoria's Secret's latest lingerie designs.

But Alessandra Ambrosio opted to forgo a bra altogether when she attended the 2015 BrazilFoundation cocktail party at Elyx House in New York City on Tuesday evening.

The 34-year-old Brazilian beauty, who also attended the Unitas gala against Sex Trafficking in earlier on in the evening, upped the glamour in a skin-tight black top that clung to her every curve.

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Glamorous appearance: Alessandra Ambrosio donned a top that clung to her every curve to attend the 2015 BrazilFoundation cocktail party at Elyx House in New York City on Tuesday evening

Glamorous appearance: Alessandra Ambrosio donned a top that clung to her every curve to attend the 2015 BrazilFoundation cocktail party at Elyx House in New York City on Tuesday evening

Alessandra made the most of her long, lean legs in a fitted miniskirt bearing a glittering pinstriped pattern.

She tied the look together with a chunky leather belt with a large gold buckle and a matching woven clutch bag.

The mother-of-two - who raises children Anja, seven, and Noah, three, with her long-term partner Jamie Mazur - added a large silver bangle and a pair of strappy black heels.

Stylish supermodel: The 34-year-old Victoria's Secret Angel pulled her party look together with some glittering gold accessories 

Stylish supermodel: The 34-year-old Victoria's Secret Angel pulled her party look together with some glittering gold accessories 

Perfect pose: Alessandra looked flawless as ever as she pouted and preened at the bash
Voluminous: The mother-of-two styled her brunette locks in pretty waves

Perfect pose: Alessandra looked flawless as ever as she pouted and preened at the bash 

Big smile: Alessandra was in her element at the charity event, which aimed to promote fundraising initiatives for education, health and human rights issues in her native Brazil

Big smile: Alessandra was in her element at the charity event, which aimed to promote fundraising initiatives for education, health and human rights issues in her native Brazil

Alessandra styled her brunette tresses in voluminous waves and added a slick of berry lip gloss and a natural, rosy blush to complete her party look.

She mingled with a series of high profile guests at the gala, which aimed to raise funds for the projects to boost education, health, economic opportunities and human rights in her home country.

The stunning star is one of the highest-paid models in the world and has enjoyed several small acting cameos, as well as boasting a successful fashion line, Ále by Alessandra.

Beauty queen: The stunning star completed her party look with slick of berry lip gloss and a natural, rosy blush

Beauty queen: The stunning star completed her party look with slick of berry lip gloss and a natural, rosy blush

Svelte: The star showed off her long and lean legs in a glittering  miniskirt paired with strappy black heels

Svelte: The star showed off her long and lean legs in a glittering miniskirt paired with strappy black heels

Finishing touches: The Brazilian bombshell tied the look together with a chunky belt and a woven clutch bag 

Finishing touches: The Brazilian bombshell tied the look together with a chunky belt and a woven clutch bag 

Alessandra admits she's been incredibly lucky to have achieved her ultimate career goals and says her number one priority is her children.

'I have been so busy lately, and I love everything I do, so I just want to keep doing my best', she told Pop Sugar

'There’s nothing really [left] at this point... For me, my bucket list is to try to spend as much time as I can with my kids.'

Party pals: Alessandra cosied up to presenter Matheus Mazzafera and former model Andrea Dellal

Party pals: Alessandra cosied up to presenter Matheus Mazzafera and former model Andrea Dellal

Group shot: The model caught up with guests including Terron Schaefer, Karin Dauch, Oskar Metsavaht, Paula Bezerra De Mello, Andrea Dellal and Constantin Bjerk

Group shot: The model caught up with guests including Terron Schaefer, Karin Dauch, Oskar Metsavaht, Paula Bezerra De Mello, Andrea Dellal and Constantin Bjerk

Perfect pose: Alessandra ensured she looked her best as she mingled with fellow party-goers 

Perfect pose: Alessandra ensured she looked her best as she mingled with fellow party-goers 

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