"4 years" - Chelsea superstar Kai Havertz celebrates his relationship with lover Sofia Weber (Photos)

Chelsea star player has taken to his social media platform to celebrate his relationship.

Kai Havertz is a professional footballer who plays as a forward for Premier League club Chelsea and Germany national team.

The 22-year-old, Kai Havertz has been in a long-term relationship with the stunning Sofia Weber.

It's understood that Sofia has been dating the German footballer since his days at Bayern Leverkusen. I

Sofia moved with Kai Havertz to London when he joined Chelsea from the Bundesliga side.

Taking to his Twitter timeline, he posted image of himself and his childhood sweat heart inside the pool of water with their dog.

In his caption section, Kai Havertz wrote: "4 years" along with a love emoji.