She is the proud owner of a $1million Hermes handbag collection.

And Roxy Jacenko’s taste for the finer things in life also extends to luxury watches, jewellery, and cars.

Last June, the 45-year-old PR maven flaunted her $227,000 watch collection on social media. Now, she’s found the jewel in her crown.

Roxy took to her Instagram Stories on Tuesday to document her purchase of a Robert Mille watch that costs $500,000.

‘Perfection,’ she captioned a snapshot of her latest jaw-dropping purchase, as well as a discreet photo of her strolling into the Sydney luxury retailer.

Roxy showed off the Richard Mille RM 037 timepiece on her wrist, which features 18K white gold and diamonds.

The ‘bold expression of modern luxury’ is described by luxury watch collectors as both a ‘technical marvel’ and a piece of ‘wearable art’.

Roxy Jacenko’s taste for the finer things in life also extends to luxury watches, jewellery, and cars. Pictured

Roxy took to her Instagram Stories on Tuesday to document her purchase of a Robert Mille watch that costs $500,000

Roxy is also the proud owner of a $65,000 Rolex Yacht-Master Rose Gold watch,  as well as a $93,000 Rose Gold Diamond Bezel Rolex watch.

She has previously showed off her $69,000 Audemars Piguet Royal Oak Dual Time watch, too.

She stores several of her expensive watches in a  $1,810 Louis Vuitton travel watch case.

In an extraordinary cash splash, Roxy rounded out the day’s shopping by purchasing a further six Hermès dinner plates from the  Bleus d’Ailleurs collection.

Each dinner plate retails for $370, with Roxy calling the purchase a ‘miracle.’

‘It’s a miracle,’ she captioned her haul photo. ‘Found another 6.’

Roxy has returned to Sydney after she enjoyed at getaway at The Red Sea on the Arabian Peninsula.

The mother-of-two stretched out by the pool in a black bikini in one image that showed off her trim physique.

A rose gold version of the same Robert Mille watch is currently set with an auction price of $500,000AUD on Warani

Another photo showed her tropical swimwear on a long dock, paring the bikini top with a flowing green maxi skirt.

A final image depicted Roxy climbing some stairs out of crystal clear water in a bright pair of swimmers.

She explained in her caption that The Red Sea ‘has her heart’ and she was already booking a trip back.

Roxy has been on the move in recent weeks and also spent some of her holiday in Dubai.

It comes after the PR maven revealed the extreme measures she goes to in order to maintain her goal weight of just 50.9kg.

She told Daily Mail Australia she is doing daily contrast therapy, which involves taking baths in warm and cold water from Monday to Friday.

This method is believed to help to improve blood circulation throughout your body.

She also does 40 minutes in an infra-red sauna each day before completing a 45-minute workout on the treadmill at speed 6 and rolling hills, as well as low-weight exercises.

Roxy also revealed she eats just one meal a day at dinner which is focused on protein only.

‘I don’t do breakfast or lunch, instead I do dinner at 7pm each day which is focused on protein only and salad,’ she explained.

‘Last night I had grilled calamari, rocket, pear and Parmesan salad. If I’m desperate for something sweet, I have dark chocolate-covered sultanas.’