Meet Nick Kyrgios' new girlfriend Costeen Hatzi - In PICS

Costeen Hatzi is as a model, a social media influencer and a personal blogger. 

Costeen is 21. She is the founder of Casa Amor Interiors, a home decor company that focuses on minimalist design.

Costeen recently completed her graduation from university with a bachelor's degree in psychological science. 

You won't believe it but she has gained a massive 18,000 followers on Instagram since she started dating the tennis sensation Kyrgios.

Costeen revealed she was dating Nick with a photo on Instagram that read: "Not a bad way to start 2002."