Kaley Cuoco
Kaley Cuoco (R) and Karl Cook have been dating since 2016 Getty Images

Lovebirds Kaley Cuoco and boyfriend Karl Cook are expanding their family! The Big Bang Theory actress took to Instagram earlier this week to announce that they have adopted an adorable dwarf mini-horse called Shmooshy.

In the image, Cuoco can be seen kissing her boyfriend as she poses with their new pet and their English bulldog. The caption reads, "The [horse] family expands welcome Shmooshy!!!!"

In another Instagram post, the 31-year-old actor is seen kissing the mini-horse as she wrote, "Welcome to the squad, miss Shmushy !!!! Thank you @mylittlepeepers foundation for helping us adopt this little lady.. we are so in love!!!! #minidwarfpony #bigbaycity#mascot #braidsfordays."

The adorable mini-horse even has her own Instagram account with almost 25,000 followers and 10 posts. The bio of the account reads, "I'm a rescued dwarf mini excited for a glam filled future".

In the account's first pic, Shmooshy poses with Cuoco as they both sport matching bun hairstyles.

The photo is captioned as, "Hi! my name is Shmooshy! I'm a dwarf mini who's been rescued and living @mylittlepeepers foundation a few days ago this crazy girl @normancook walked in with my same hairstyle, and we became instant soul mates . She adopted me and now Iam heading to LA to start my new life! Wahooo!!!!! Oh they call me Shmoosh cause my nose is all shmooshed."

The adorable new pet has already returned with Cuoco to California, and she is already in love with the beach style. The Penny actor posted a picture of Shmooshy rolling around in the sand, and captioned it, "Blonde beach babe @lifewithshmooshy #bigbaycitymascot."

Karl Cook too joined in the fun and shared a glam photo of Shmooshy wearing a hat sideways. He captioned the image as, "When you are as cool as smooshy you can wear a big bay city hat tilted to the side. Smooshy now has her own insta @lifewithshmooshy everyone has to follow, she is the most precious ever."