
Costeen Hatzi is a name that has become synonymous with elegance, entrepreneurial spirit, and social media influence. Born on May 20, 2000, she is a 24-year-old Australian social media star who has captured the hearts of many with her vibrant personality and impeccable fashion sense. Known for her content centered around fashion, beauty, and lifestyle, Costeen is not just an influencer; she is a businesswoman who has successfully launched her own dress-hire company, Style Studio, based in Sydney, Australia.
Her personal life has also drawn attention, particularly her relationship with the well-known tennis star Nick Kyrgios, which began in 2021. This relationship, along with her growing social media presence, has contributed to her rise in popularity, with over 170,000 followers on Instagram and an ever-growing audience on TikTok. But there’s more to Costeen than meets the eye—her journey from psychology student to social media star is one that deserves attention.
Early Life and Background
Birthdate and Place of Birth
Costeen was born on May 20, 2000, in Brisbane, Australia. From a young age, she exhibited a keen interest in creativity and entrepreneurship. Growing up in Queensland, Costeen’s early years were shaped by her love for fashion and beauty. While most of her childhood was spent in Brisbane, her journey took her to various parts of Australia as she pursued her education and career ambitions. Her current age is 24 years old.
Nationality and Ethnicity
Costeen is Australian by nationality, and she belongs to a White ethnic background. Her cultural roots and upbringing in Australia have played a significant role in shaping her outlook on life. Although she is widely recognized as a modern influencer, her Australian heritage remains a central part of her identity.
Family Life
Costeen comes from a close-knit family. She has one brother, named George, who she has spoken fondly of in various interviews and social media posts. Her family has been supportive of her career as a social media influencer and entrepreneur, helping her maintain a grounded and balanced approach to her growing fame. Despite her public persona, Costeen has managed to keep many aspects of her family life private, which speaks to her desire for maintaining a sense of normalcy amidst her rising popularity.
Costeen Hatzi Wiki | BIO
| Attribute | Details |
|---|---|
| Full Name | Costeen Hatzipourganis |
| Nickname | Costeen |
| Date of Birth | May 20, 2000 |
| Age | 24 years old (as of 2024) |
| Birthplace | Brisbane, Australia |
| Nationality | Australian |
| Hometown | Queensland, Australia |
| Zodiac Sign | Taurus |
| Height | 158 cm (1.58 m or 5’2”) |
| Weight | 50 kg (110 lbs) |
| Hair Color | Blonde |
| Eye Color | Brown |
| Educational Qualification | Graduate in Psychological Sciences from Australian Catholic University |
| Profession | Social Media Influencer, Entrepreneur |
| Known For | Fashion, Lifestyle, Beauty, Founding Style Studio |
| Instagram Handle | @costeenhatzi |
| Marital Status | Dating |
| Partner | Nick Kyrgios |
| Family | Brother: George |
| Religion | Christianity |
| Ethnicity | White |
| Net Worth | Approximately $1 million USD |
| Notable Ventures | Founder of Style Studio |
Family Life
While most people know her as Costeen, her full name is actually Hatzipourganis. Like many influencers, she chose to shorten her last name to make it easier for her followers to remember and recognize. Despite the simplification, her heritage and background remain important aspects of her identity.
Siblings: Her Bond with Brother George
Costeen has a younger brother named George, and while not much is publicly known about him, Costeen has occasionally shared glimpses of their bond through social media. Their relationship reflects a strong family connection, one that is often highlighted in her social media posts during holidays and family gatherings. Costeen has mentioned in interviews that her family, including her brother, has been a huge support system for her as she navigates the complexities of public life.
Education
College/University Attended
Before becoming a full-time influencer and entrepreneur, Costeen pursued her academic interests in psychology. She attended the Australian Catholic University, where she studied psychological sciences. Her decision to study psychology reflects her deep curiosity about human behavior and mental health—subjects that continue to intrigue her even as she forges a career in the social media landscape.
Academic Achievements
Costeen successfully completed her degree, gaining a solid educational foundation before diving into the world of entrepreneurship. Although she hasn’t pursued a traditional career in psychology, her academic background certainly informs her approach to her social media career, particularly in how she engages with her audience and brands. Understanding human behavior and the psychology of marketing has likely contributed to her success in building a relatable and authentic online presence.

Career Beginnings
From Student to Social Media Star
Costeen’s journey from a psychology student to a social media star is an inspiring story of following one’s passion. While studying at Australian Catholic University, she began exploring social media as a creative outlet. What started as a hobby soon blossomed into a full-time career, as Costeen found her niche in fashion, beauty, and lifestyle content. By sharing her personal style and beauty tips, she quickly gained a following on platforms like Instagram and TikTok.
Growing Influence on Social Media
Her ability to connect with her audience through relatable, down-to-earth content helped her gain traction online. She realized that her followers valued her opinions on fashion, beauty, and lifestyle choices, which eventually opened the door to brand collaborations and sponsorships. As her follower count grew, so did the opportunities, allowing Costeen to turn her passion for fashion into a lucrative career.
Building a Personal Brand
One of the most impressive aspects of Costeen’s career is her ability to build a strong personal brand. She became known not just for her fashion sense but also for her authenticity and transparency. Unlike many influencers, Costeen has always made it a point to share both the glamorous and the mundane aspects of her life, giving her followers a realistic view of what it means to be an influencer.
Rise to Fame
Hatzi’s entrance into the fashion world wasn’t an overnight success. Initially, she began by sharing her love for fashion through casual Instagram posts while still attending university. As she began to experiment with different styles, her impeccable taste and keen eye for aesthetics caught the attention of a growing number of followers. Her ability to put together outfits that resonated with everyday fashionistas made her relatable and approachable to her audience.
What set her apart from others was her consistency and ability to engage with her audience. She often shared her personal experiences, including tips for styling affordable clothing, making fashion accessible to all. With a strong focus on promoting body positivity and self-confidence, Costeen slowly became a trusted source for fashion advice.
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Collaborations and Brand Partnerships
As her online presence continued to grow, Costeen started receiving offers from major brands for collaborations. These brand partnerships allowed her to showcase products that aligned with her personal style, reinforcing her authenticity. She has worked with various brands in the fashion, beauty, and lifestyle sectors, including well-known names such as Sephora, Princess Polly, and Showpo.

Her knack for creating sponsored content that doesn’t feel forced or overly promotional made these collaborations highly successful. Costeen always prioritizes maintaining transparency with her audience, openly discussing the products she loves and why she chooses to partner with certain brands. This authentic approach has played a major role in the rise of her social media influence.
Launching “Style Studio”
In addition to her social media fame, Costeen ventured into entrepreneurship by launching her own business, Style Studio, a dress-hire boutique based in Sydney. The boutique specializes in offering high-end dresses for hire at affordable prices, allowing customers to enjoy luxurious fashion without the hefty price tag.
Style Studio quickly gained popularity, particularly among young women looking for stylish yet budget-friendly options for events such as weddings, parties, and formal occasions. Costeen’s entrepreneurial success further solidified her status as a fashion icon, proving that she has not only a great sense of style but also a strong business acumen.
Relationship with Nick Kyrgios
Costeen Hatzi’s personal life has drawn significant attention, especially her relationship with Australian tennis star Nick Kyrgios. The couple’s romance became public in December 2021, with the duo sharing sweet and playful photos on social media.
While it’s unclear exactly how they met, Costeen has hinted that their connection was spontaneous, with both of them instantly clicking. Their shared love for adventure and their laid-back attitudes toward life likely drew them closer together.
Public Appearances Together
Costeen and Nick have been spotted together at numerous high-profile events, including major tennis tournaments such as the Australian Open. Costeen has been a steadfast supporter of Nick, often seen cheering him on from the stands. The couple’s relationship has been well-received by fans, and they frequently share glimpses of their life together on social media. From attending glamorous events to enjoying low-key beach vacations, their relationship appears to be fun, light-hearted, and built on mutual respect and affection.
Despite the pressures that come with being in the public eye, Costeen and Nick have managed to maintain a strong bond. They’ve navigated the challenges of their high-profile relationship with grace, often addressing their followers with candid updates about their life together. Their openness has only endeared them more to fans.

Net Worth 2024
As of June 2024, Hatzi’s estimated net worth is around $2 million. This impressive figure is the result of her numerous income streams, including her social media presence, brand collaborations, and her thriving business, Style Studio. Her growing popularity across multiple platforms has allowed her to secure high-paying sponsorship deals, which have significantly contributed to her wealth.
Earnings from Social Media and Partnerships
Costeen’s primary source of income is from her role as a social media influencer. With over 170,000 followers on Instagram and a substantial presence on TikTok, she earns revenue through sponsored posts, collaborations, and affiliate marketing. Influencers like Costeen typically earn anywhere from $5,000 to $10,000 per sponsored post, depending on the brand and the scope of the campaign.
Income from Style Studio
In addition to her social media earnings, Style Studio has become a lucrative venture for Costeen. The boutique’s popularity has grown steadily, with its affordable and stylish dress-hire model attracting a wide range of customers. Through this business, Costeen has been able to diversify her income and establish herself as a serious entrepreneur in the fashion industry.
Physical Appearance
Height and Weight
Costeen Hatzi’s height is 5 feet 7 inches (170 cm), and her weight is approximately 55 kilograms (121 pounds). She maintains a fit and toned physique, which is evident from her active lifestyle and her fashion-forward Instagram posts. Her slender frame, combined with her elegant style choices, has made her a source of inspiration for many of her followers looking for fashion tips.
Hair and Eye Color
Costeen’s hair color is naturally dark brown, though she has occasionally experimented with different shades of highlights. Her eye color is a captivating shade of brown, adding to her overall charm and beauty. Her distinctive look, combined with her impeccable sense of style, has made her one of the most recognizable influencers in the Australian fashion scene.

Fashion and Style
Hatzi’s fashion sense can best be described as chic and effortless. She often mixes high-end luxury pieces with affordable finds, making her style accessible to a wide audience. Known for her minimalist aesthetic, Costeen gravitates toward neutral tones, clean lines, and classic silhouettes. Her outfits are always polished, whether she’s stepping out for a casual brunch or attending a red-carpet event.
One of her signature looks includes structured blazers paired with tailored pants or a sleek dress with understated accessories. Her ability to effortlessly combine comfort with elegance has earned her a reputation as a fashion icon, both in Australia and internationally.
Favorite Fashion Brands
Costeen is a fan of luxury fashion but also champions more affordable, sustainable brands. Some of her favorite high-end labels include Dior, Saint Laurent, and Chanel, which she often incorporates into her looks. However, she’s also known for supporting Australian brands such as Zimmermann and Aje, which align with her love for feminine, breezy designs.
Her ability to blend high fashion with accessible brands makes her a relatable figure for her followers, many of whom look to her for style inspiration. Her Instagram is often filled with posts tagging both luxury and more budget-friendly brands, giving her audience a wide range of options to choose from.
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