Nick Kyrgios gifts girlfriend Costeen Hatzi $2,790 Balenciaga bag and $1,340 Bottega Veneta shoes

He has been spoiling his new girlfriend Costeen Hatzi with expensive designer gifts.

And tennis star Nick Kryrios continued spend up big on the brunette beauty during shopping trip to Miami this week.

Costeen is now the lucky owner of a $2,790 pink lambskin Balenciaga handbag and a pair of $1,340 Bottega Veneta orange pumps after the pair visited the high-end boutiques in the Florida city.

Say it with… designer accessories! Tennis star Nick Kyrgios has spoilt his girlfriend Costeen Hatzi with designer gifts during a trip to Miami

The couple also went to the Louis Vuitton store, where Costeen perused different coloured bag tags for the famous luxurious leather goods. 

Back in February, Nick bought his 21-year-old ladylove a $15,900 Cartier Love bracelet – a day after hinting the couple have a serious future. 

Costeen shared images of herself getting fitted with the pricey gift, which features four diamonds embedded in a yellow gold band.

The bracelet is ‘a universal symbol of love and commitment’ and is fitted with screws that locks to the wrist.

Pretty in pink: Costeen is now the lucky owner of a $2,790 pink Balenciaga handbag

Fancy feet: It appears she also picked up a pair of $1,340 Bottega Veneta orange pumps

Back in February, Nick bought his 21-year-old ladylove a $15,900 Cartier Love bracelet – a day after hinting the couple have a serious future. 

Costeen also had a Tiffany bracelet on her other arm and was carrying her $5,000 Dior Saddle Bag, another gift from Nick.

Nick, 26, also shared a picture of Costeen being fitted with the bracelet inside one of Cartier’s private suites, writing in the caption ‘Spoilt yeah’.

Nick went Instagram official with Costeen in December.

Diamonds are forever! Costeen shared images of herself getting fitted with the pricey gift, which features four diamonds embedded in a yellow gold band

New flame: Nick went Instagram official with Costeen in December

She watched all of Nick’s games at during the Australian Open at Melbourne Park and has been described as a key member of his team.

Nick said on the Today show his girlfriend makes him ‘really happy’. 

‘It’s unbelievable. Honestly. It’s such a vibe. It’s good energy,’ he said, adding: ‘She makes me really, really happy. The vibes are always good there. 

Costeen has joined Nick in the US where he recently played at the Indian Well Masters.

The Aussie star made it to the quarterfinals, but lost to Rafael Nadal 7-6 (0) 5-7 6-4.

During the match, he nearly hit a ball boy after smashing his racket and shortly after reached out to the boy in question to apologise.

The match was also notable for Kyrgios ongoing battle with heckling fans, even involving Hollywood actor Ben Stiller at one point.

Smitten: Nick said on the Today show his girlfriend makes him ‘really happy’