Kaley Cuoco Mourns Death of Beloved Pet Horse Bella: 'You Were the Horse of a Lifetime'

"Sometimes horses come into your life and truly make you see the world in a new and beautiful way," the actress wrote in heartfelt a tribute to her pet horse

Kaley Cuoco is mourning the death of her beloved pet horse Bella.

The Big Bang Theory alum, 37, said goodbye to her late animal friend through a tribute shared on Instagram Friday.

“Sometimes horses come into your life and truly make you see the world in a new and beautiful way,” Cuoco began the caption of her post, sharing a carousel of photos of herself and her pet. “Si Bella, you were the horse of a lifetime.”

She continued, “Still to this day I cannot believe you were mine. You taught me how to fly and put me in dream arenas I thought could only ever be a dream. You had the heart of a warrior truly till your last breath. You deserve all the love, gratitude, and respect my heart can muster.”

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“Thank you for giving me your all, since the day we met,” Cuoco added. “Thank you to the Prudent’s for trusting us with her. She was special to so many and will remain to be. Thank you @traceywade10 & @memomoreno2643 for loving her like I did 💫 Thank you to everyone that was part of her journey.”

Several of the Emmy-nominated actress’ pals shared kind messages in her comments section, including Amanda Seyfried, who wrote, “Kaley I’m sorry. They are the best.”

Cuoco, a longtime equestrian, first debuted Bella — one of several pets she has adopted throughout the years — via an Instagram post in 2016.

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Some of the Meet Cute star’s other horses are Poker Face, Smooshy, Zaza, Thor, Santos, Zee-Yah and Bionetty, who she retired in 2021.

Thor starred in PEOPLE's World's Most Beautiful issue in 2015, where he "interviewed" Cuoco, who dubbed the pony the "Sexiest Horse Alive."

The actress, who also owns several dogs with Tom Pelphrey, opened up about her special relationships with her four-legged friends in an interview with LA Mag in 2015.

“The bond between a person and a horse is like nothing else," she told the magazine, adding that the bond is “hard for people to understand unless they have one.”

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In April, three weeks after welcoming her baby daughter Matilda with Pelphrey, 41, Cuoco introduced her baby girl to some of her “barn friends,” and documented the encounter on her Instagram Story.

"Finally Tildy met her barn friends today!" she captioned one of the photos.

Alongside another, she wrote, "Carlata was so sweet! Look at their faces!”

Related: Kaley Cuoco Mourns the Death of Her Dwarf Pony Fiona: 'She No Longer Has to Live in Pain'

Matilda, now 5 months old, then met a horse who got a bit too excited.

"Cody tried to lick her LOL," The Flight Attendant star wrote alongside a photo of the horse sticking out its tongue.

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