Nick Kyrgios says girlfriend Costeen is his 'biggest blessing' after revealing his 'darkest period'

Nick Kyrgios 'contemplating moving to Sydney' to be closer to girlfriend Costeen Hatzi

Nick Kyrgios' ex Chiara Passari sells her VERY pricey sneaker collection

Nick Kyrgios shares a loved-up selfie with girlfriend of three months Costeen Hatzi