Jax Taylor and Brittany Cartwright are leaving 'Vanderpump Rules'.

Jax Taylor and Brittany Cartwright

Jax Taylor and Brittany Cartwright

The 41-year-old TV star and Brittany, 31 - who are currently preparing for the arrival of their first child - have announced their exit from the show via social media.

Jax wrote on Instagram: "The last 8 years on Vanderpump Rules have been some of the most challenging, rewarding and fulfilling years of my life. Although this is difficult to share, Brittany and I will not be returning for another season of Vanderpump Rules. We are excited to take this time to focus on our growing family and share with you our new endeavors (sic)"

Jax thanked fans for their support during their time on the show, and he suggested they'll announce their next move in the near future.

His post continued: "@bravotv, @evolutionusa and our Vanderpump castmates will always remain close to our hearts. Thank you to all the fans who have shared our journey with us and supported us through everything. We love you. Stay tuned, We can’t wait for to share what we have planned. Have a great weekend. [love-heart emoji] (sic)"

Brittany posted a similar message on her Instagram account.

She wrote on the photo-sharing platform: "The last 5 years on Vanderpump Rules have been some of the most challenging, rewarding and fulfilling years of my life. Although this is difficult to share, Jax and I will not be returning for another season of Vanderpump Rules. We are excited to take this time to focus on our growing family and share with you our new endeavors. (sic)"

In September, meanwhile, the celebrity couple revealed they're set to welcome a baby boy.

They both shared snapshots of their gender reveal celebration to Instagram.

Jax wrote at the time: "IT’S A BOY!!!! [love-heart emoji] I am so happy!!! (sic)"