Nick Kyrgios' girlfriend Costeen Hatzi shows off $26,000 worth of gold and diamond jewellery

Nick Kyrgios makes Wimbledon final: Girlfriend Costeen Hatzi reacts

Rafael Nadal Withdraws From Wimbledon Over Injury, Sends Nick Kyrgios to First Grand Slam Final

Pia Whitesell takes a subtle swipe at Nick Kyrgios as she watches him play at Wimbledon