Francesca Packer puts on an eye-popping display in a low-cut gown at Gold Dinner

Billionaire heiress Francesca Packer was the belle of the ball at the star-studded Gold Dinner held at Sydney Airport on Thursday night.

The 26-year-old put on an eye-popping display in a very low-cut sequin gown.

The full-length frock flaunted her ample cleavage, and she drew even more attention to her décolletage by wearing a diamond lariat choker around her neck.

There she is! Billionaire heiress Francesca Packer, right, put on an eye-popping display in a VERY low-cut sequin gown at the star-studded Gold Dinner at Sydney Airport on Thursday evening.

The wealthy brunette also wore a pair of glittering diamond earrings, which were exposed by her chignon hairstyle.

She complimented her hazel eyes with striking green eyeshadow and a wing-tipped eyeliner, and wore a pretty peach lip colour on her pout.  

Francesca attended the event with her personal trainer boyfriend Adam Cooper, who posted pictures of the night on his Instagram page.

A who’s who of showbusiness, business and politics attended the exclusive charity event.

Hollywood A-list: A who's who of entertainment, business and politics attended Australia's most exclusive charity event at Sydney Airport on Thursday night. Pictured (left to right): Lucciana Barroso, Lauren Phillips, Elsa Pataky, Chris Hemsworth, Gabriella Brooks and Liam Hemsworth

Hollywood A-list: A who’s who of entertainment, business and politics attended Australia’s most exclusive charity event at Sydney Airport on Thursday night. Pictured (left to right): Lucciana Barroso, Lauren Phillips, Elsa Pataky, Chris Hemsworth, Gabriella Brooks and Liam Hemsworth 

The most high-profile arrivals skipped the red carpet, which was held at the departures terminal, with the likes of Chris and Liam Hemsworth being whisked privately to the venue in the middle of the airfield.

Other guests included Lucciana Barroso – the wife of actor Matt Damon, who was not present despite currently being in Australia – and Nine presenter Lauren Phillips.

The event was emceed by Today show anchor Karl Stefanovic and saw the worlds of entertainment, government and business join forces to raise funds for the Sydney Children’s Hospitals Foundation.

Some of the country’s most influential people attended the gala, which was first held in 1997 and has raised more than $30million in the years since. 

Star-studded! Actress Rose Byrne also attended the event and looked stunning in a rose brocade suit

Star-studded! Actress Rose Byrne also attended the event and looked stunning in a rose brocade suit 

The Gold Dinner was an extravagant affair, with guests experiencing a decadent Italian menu courtesy of Crown Sydney’s a’Mare restaurant and visionary head chef Alessandro Pavoni.

Meanwhile, Francesca and her handsome beau appear to be going strong. The couple took a romantic trip to Hamilton Island with her boyfriend Adam Cooper back in April.

While Francesca deleted her Instagram page in March, Adam shared some photos to his page during their jaunt.

Pilates instructor and personal trainer Adam proved he wasn’t shy by posting a nude picture of himself relaxing in an infinity pool.

Cute! Francesca and her handsome beau appear to be going strong. The couple took a romantic trip to Hamilton Island with her boyfriend Adam Cooper back in April

Cute! Francesca and her handsome beau appear to be going strong. The couple took a romantic trip to Hamilton Island with her boyfriend Adam Cooper back in April 

In another image, the couple cuddled at dusk. Adam captioned it: ‘Sunsets are better at dusk. P.S. I love you.’

The Sydney socialite confirmed she and Adam were a couple in an interview with The Daily Telegraph in December.

‘Adam is a really great guy. We’ve been dating for a while,’ she told the paper. 

Confident: Pilates instructor and personal trainer Adam proved he wasn't shy by posting a nude picture of himself relaxing in an infinity pool

Confident: Pilates instructor and personal trainer Adam proved he wasn’t shy by posting a nude picture of himself relaxing in an infinity pool

Adam is Head of Training at Performance Vive Active, which has studios in Double Bay and Brookvale.

He is also a Pilates reformer trainer and personal trainer, as well as a member of the North Bondi Surf Life Saving Club.

Francesca herself lives in Darlinghurst, and laid out $16million for her five-bedroom, five-bathroom Horizon apartment.

Fitness: Adam is Head of Training at Performance Vive Active, which has studios in Double Bay and Brookvale

Fitness: Adam is Head of Training at Performance Vive Active, which has studios in Double Bay and Brookvale

In March, she abruptly deleted all of her social media accounts without warning. 

While Francesca has made efforts to remain private, Adam has continued to post about their relationship on Instagram.

He also often shares photos of himself shirtless, working out, and going to the beach. 

In another image, the couple cuddled at dusk. Adam captioned it: 'Sunsets are better at dusk. P.S. I love you'

In another image, the couple cuddled at dusk. Adam captioned it: ‘Sunsets are better at dusk. P.S. I love you’

Read more at DailyMail.co.uk