Costeen Hatzi led the charge of glamorous WAGs attending the Bondi Sands Australian Open event at the Royal Botanic Gardens on Monday.
The 24-year-old looked casually chic in a tight-fitting white sports mini dress with short sleeves that left her pins on display.
She added a pair of white pointy heels and some gold accessories, including a watch and bracelet.
Costeen opted for a bronzed makeup palette with hints of highlighter and a nude lip gloss.
She wore her brunette locks down in waves and carried a black designer bag.
She was joined at the event by Morgan Riddle, who also chose white and wore a long halter neck dress.
Costeen Hatzi (pictured) led the charge for glamorous WAGS attending the Bondi Sands Australian Open event at the Royal Botanic Gardens on Monday.

The 24-year-old looked casually chic in a tight-fitting white sports minidress with short sleeves that showed off her embellishments.

She added a pair of white pointy heels and some gold accessories, including a watch and bracelet.
She added a pair of white heels with a pointed design and kept her accessories to a pair of delicate earrings and a bracelet.
The blonde beauty’s red manicure stood out and she went for a clean makeup look with nude pink lipstick.
The stunner wore her blonde locks partially tied back with a few strands loose around her face.
Also making a night of it was MasterChef Australia star Khanh Ong, who received the all-white memo.
The chef chose a white Prada t-shirt with a cardigan over it and a pair of matching pants.
Costeen celebrated her third anniversary with tennis pro Nick, 29, last week and on Sunday began hosting Stan’s live coverage of the tournament.
Nick Kyrgios’ girlfriend has undergone quite a style transformation since she began her career as a fashion influencer in 2021.
she is worked with a wide range of major brands and even walked in her first runway show at the launch of Hunting Hue last October, a major milestone.

Costeen opted for a bronzed makeup palette with hints of highlighter and a nude lip gloss.

She was joined at the event by Morgan Riddle (pictured), who also chose white, in a long halter neck dress.

She added a pair of white heels with a pointed design and kept her accessories up with a pair of dainty earrings and a bracelet.

The blonde beauty’s red manicure stood out and she went for a clean makeup look.

Also making a night of it was MasterChef Australia star Khanh Ong (pictured).
Now known for her impeccable style, she rakes in between four and five figures for each of her sponsored posts.
Morgan Riddle, 26, is an American-born content creator whose other half, Taylor Fritz, is currently ranked No. 4 in the world.
Described in a New York Times profile as ‘The Most Famous Woman in Men’s Tennis,’ Morgan met Fritz on the celebrity dating app Raya in 2020.
He has 576,000 followers on TikTok and 417,000 followers on Instagram, and has a self-proclaimed mission to “make tennis great again.”
The petite blonde first caught the attention of crowds and followers for her stylish on-court outfits and has since evolved her content to include more educational-style explanations about her partner’s sport.
2025 marks Morgan’s fourth summer in Australia and he has been enjoying the Sydney lifestyle in recent weeks in Bondi.
In a travel vlog posted, Morgan revealed that she shopped, tanned, drank cocktails, and celebrated New Year’s Eve in Harbor City.
‘Most Americans think that all of Australia is tanned people, beaches, acai bowls and green juices. Most of Australia isn’t like that, but Bondi is,’ he said.
‘It’s a fake world of influencers and sunshine and you know what? Sometimes I like that.’

YouTuber Sammy Robinson (pictured) added flip-flop heels to her white dress