Nick Kyrgios' girlfriend Costeen Hatzi shares her skin routine using $184 Cryo Sticks

Nick Kyrgios enjoys date night with Costeen Hatzi after tennis star dropped out of Wimbledon

Nick Kyrgios' girlfriend Costeen Hatzi shares her devastation after her beau drops out of Wimbledon

Nick Kyrgios, Thanasi Kokkinakis hit the shops with girlfriends Costeen Hatzi and Hannah Dal Sasso