When a relationship ends in the public eye, the split often becomes a story of its own. For Costeen Hatzi, the Australian influencer and founder of Style Studio, the end of her long-term relationship with tennis star Nick Kyrgios has been dissected online for months—but Hatzi has quietly built a career that extends far beyond her ex’s spotlight.

4 related posts

Age: 25 ·
Known for: Social media influencer & founder of Style Studio dress-hire ·
Relationship with Nick Kyrgios: Dated for over 3 years; split in 2025 ·
Instagram followers: Verified; luxury beauty, fashion & wellness content ·
Notable recent event: Publicly opened up about split in August 2025

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact net worth value
  • Exact height
  • Full details of Kyrgios’s OnlyFans account beyond his TikTok explanation
3Timeline signal
4What’s next
  • Hatzi continues to run Style Studio and grow her social media presence
  • Kyrgios is expected to return to tennis after injury; his OnlyFans remains active
  • Both parties have indicated they are moving on amicably

The pattern: Hatzi’s public identity is shaped by her entrepreneurial work and her relationship, but the balance is shifting toward the former.

Label Value
Full name Costeen Hatzi
Age 25
Occupation Social media influencer, founder of Style Studio
Ex-partner Nick Kyrgios (tennis player)
Relationship duration Over 3 years (2021–2025)
Notable public event Split confirmed in 2025

The implication: The snapshot shows a young woman with a clear career trajectory, but the public’s strongest curiosity remains her relationship timeline.

Are Nick Kyrgios and Costeen Hatzi still together?

Split confirmed in 2025

  • Reports of the breakup surfaced in late March 2025 after the couple removed each other’s initials from their Instagram bios (Greek City Times (community news)).
  • Costeen Hatzi confirmed the split publicly in April 2025 in comments to The Daily Telegraph, saying life had been “good” since the relationship ended (New York Post (sports section)).
  • Nick Kyrgios broke his silence on the breakup in a June 12, 2025 Instagram Q&A, stating there was no bad blood (People (celebrity news outlet)).

Public statements from both parties

“Things happen. I wish her nothing but the best.”

— Nick Kyrgios, Instagram Q&A, June 12, 2025 (via YouTube video report)

“I haven’t spoken to him and I think that’s best when a relationship ends. I hope he finds peace.”

— Costeen Hatzi, May 2025 (via Greek City Times (community news))

The pattern: Both Hatzi and Kyrgios have taken a measured, respectful tone publicly. The split appears to be a mutual decision without major drama—a rarity for high-profile celebrity breakups.

How they met

  • According to People (celebrity news outlet), the pair met in 2021 and started dating in December 2021.
  • Hatzi later shared behind-the-scenes details about their relationship in a Greek City Times (community news) interview, describing their early days as “fun and spontaneous.”
Why this matters

The quiet, respectful breakup is an outlier in the world of sports and influencer gossip. For a couple that spent three years in the public eye, the absence of mudslinging is a deliberate choice—and one that protects both of their brands.

What does Costeen Hatzi do for a living?

Founder of Style Studio dress-hire

  • Costeen Hatzi founded Style Studio, a Sydney-based dress-hire company that offers luxury rental pieces for events. The business was launched during her relationship with Kyrgios and has grown steadily.
  • She promotes the brand heavily on Instagram, where she shares styling tips and behind-the-scenes content.

Social media influencer and content creator

  • Hatzi posts about luxury beauty, fashion, and wellness on Instagram, where she has a verified following. Her content strategy leans into aspirational lifestyle branding.
  • She has not publicly disclosed the exact size of her following, but her engagement rates suggest a dedicated audience.

The trade-off: Running a small business while maintaining a public profile means Hatzi must carefully balance authenticity with the curated image expected of influencers. Her decision to keep the breakup tone gracious suggests she prioritizes long-term brand equity over short-term drama.

Context: Why is Nick Kyrgios on OnlyFans?

  • While not directly related to Hatzi’s career, the question often arises because the couple’s names are frequently linked. Kyrgios explained his OnlyFans account in a TikTok video, stating it was a way to connect with fans and share exclusive content outside of traditional media.
  • Hatzi has not commented on Kyrgios’s OnlyFans, and there is no indication it played a role in the split.
The catch

The OnlyFans narrative risks overshadowing Hatzi’s own entrepreneurial work. For every article about Style Studio, there are three about Kyrgios’s side ventures—a reminder that even in a respectful split, the more famous partner’s story often dominates.

How old is Costeen Hatzi?

Age and background

  • Costeen Hatzi is 25 years old. She graduated from university three years ago, according to social media posts.
  • She is based in Sydney, Australia, and her family background is Greek-Australian, though she has not publicly shared extensive details about her upbringing.

The implication: At 25, Hatzi has already founded a business and navigated a public breakup. Her age places her in a demographic where career and personal life are both under intense social media scrutiny—every move is a content opportunity.

Timeline of Costeen Hatzi and Nick Kyrgios’s relationship

  • 2021 — Hatzi and Kyrgios meet and start dating.
  • 2022–2025 — The relationship continues; Hatzi grows her social media presence and launches Style Studio.
  • March 2025 — Initial reports of a split surface after Instagram bio changes.
  • April 2025 — Hatzi confirms the breakup to The Daily Telegraph.
  • June 12, 2025 — Kyrgios addresses the split in an Instagram Q&A.
  • August 2025 — Hatzi speaks again, saying she has no intention of speaking badly about Kyrgios.

What this means: The timeline shows a breakup that unfolded over several months, with both parties giving measured statements. The lack of a dramatic “official” announcement suggests the split was gradual.

What’s confirmed and what’s still unclear

Confirmed facts

  • Costeen Hatzi is 25 years old.
  • She founded Style Studio dress-hire.
  • She and Nick Kyrgios split in 2025 after dating for over three years.
  • They started dating in December 2021.
  • Both parties have spoken publicly about the split with respect.

What’s still unclear

  • Exact net worth — not publicly verified.
  • Exact height — not publicly stated.
  • The full details of Kyrgios’s OnlyFans account beyond his TikTok explanation.
  • Whether the split was initiated by one party or mutual.

The pattern: The confirmed facts are solid, but the gaps are mostly personal details that Hatzi has chosen not to share—a deliberate boundary that protects her privacy.

What comes next for Costeen Hatzi?

For Hatzi, the year ahead is about building on the momentum of Style Studio while maintaining her influencer presence. The breakup has generated search interest, but she has redirected attention to her business. For Kyrgios, the focus is on tennis recovery and his OnlyFans venture. For Australian readers following the story, the takeaway is clear: Hatzi is positioning herself as an entrepreneur first, not a WAG.

For the audience following this story, the choice is straightforward: continue to track Hatzi’s career as it evolves, or let the narrative fade. Given her measured approach, she seems to prefer the latter.

Additional sources

nypost.com, youtube.com, tennisuptodate.com, sportsrant.indiatimes.com, corrieredellosport.it, sports.info, youtube.com

Don't miss these

Frequently asked questions

What is Style Studio and what does it offer?

Style Studio is a Sydney-based dress-hire company founded by Costeen Hatzi. It offers luxury rental pieces for events such as weddings, parties, and photoshoots.

How did Costeen Hatzi start her career?

Hatzi began as a social media influencer, posting about fashion and beauty. She later launched Style Studio, which she promotes heavily on Instagram.

Where did Costeen Hatzi grow up?

She is based in Sydney, Australia, and has Greek-Australian heritage. She has not shared extensive details about her childhood.

What do Nick Kyrgios and Costeen Hatzi say about their split?

Both have spoken respectfully. Hatzi said she hopes Kyrgios finds peace; Kyrgios said he wishes her the best and there is no bad blood.

Is Costeen Hatzi active on other social media platforms?

She is primarily active on Instagram, where she posts about beauty, fashion, and wellness. She also has a presence on TikTok but is less active there.

What did Costeen Hatzi do before Style Studio?

She graduated from university and worked as an influencer before launching her own business. She has not specified her degree or prior jobs.

Are there any confirmed details about her net worth?

No reliable source has confirmed her net worth. Estimates vary widely and are not based on verified financial data.

Bottom line: Costeen Hatzi is a 25-year-old entrepreneur who has built a real business alongside her public relationship. For readers curious about her life after Kyrgios, the evidence points to a woman focused on her career, not the drama. For gossip-seekers, the story is quieter than expected—and that may be her smartest move.

Related reading: Andrey Rublev: Relationship, Temper, Faith & Career Facts · Laura Byrne: Biography, Children, Partner, Net Worth, and More