The couple, who started dating in January 2022, have enjoyed sharing snaps from their travels on Instagram.
Kai, 27, and Nadiya, 33, have been living their best lives at the incredible The Standard hotel in the Maldives.
Their hotel has three pools, a spa and wellness centre, a gym and a private beach.
They’ve been busy having lots of fun riding on jet skis, lounging about by the sea and taking selfies together.
Sharing a sweet picture of them on a boat, Kai said: “Sunset vibes and happy times.”
He shared another clip of him on the back of a jet ski and he looked like he was having an amazing time.
Kai said: “What it’s like to be on the back of a jet ski with @nadiyabychkova enjoy.”
Back in January last year The Sun revealed Nadiya split from her footballer fiancé Matija Skarabot – and was comforted Kai.
Weeks later they were spotted looking cosy at a hotel during the dance show’s annual tour.
The Sun later revealed that they had been been dating for months and were caught snogging in picture that proved they are an item.
In April they proved they’re getting serious by taking a big step in their relationship.
We revealed that the pair are sharing a London home now Nadiya is back in the UK after travelling to Slovenia to see daughter Mila.
A source close to the couple said: “Moving in together was the obvious next step for Nadiya and Kai. They’ve grown so close and it just made sense.
“Kai helped Nadiya move in her belongings this week and they’re excited about making their property feel like a shared home.”