Influencer Costeen Hatzi on Australian Open, business endeavors and new trends

24-year-old Aussie model, influencer and businesswoman Costeen Hatzi has been credited as a calming influence on her pro-athlete partner Nick Kyrgios. She has been hard at work in between Kyrgios much-publicised return to the Australian Open. For more, Costeen Hatzi joins.See omnystudio.com/listener for privacy information.