Kaley Cuoco
Kaley Cuoco plays Penny in CBS's hit show The Big Bang Theory Getty

Kaley Cuoco and Karl Cook made their first public appearance as a couple at the Longines Masters Los Angeles Gala in Long Beach, California. The Big Bang Theory star and her beau couldn't take their eyes off each other as they posed for photos holding hands.

Cuoco wore floor-grazing, full sleeve maxi dress with bright patterns adorning the length of the dress. She accessorised her quirky dress with a black clutch and left her blonde locks loose over her shoulder. Cook complimented Kaley's style with a three-piece powder blue suit and a blue hat.

The Penny actress took to Instagram to post an image of them from the gala and admitted that they had a blast. She wrote, "We had a blast at last nights @longinesmasters opening gala ! #cantstopsmilingwiththisguy#poniesandtophats"

The Big Bang Theory actress spoke about her equestrian boyfriend Cook while appearing at the CBS chat show The Talk. She told host Sharon Osbourne, "I'm so happy... I can't stop smiling, life is so, so good. We met at a horse show, I finally found my horse guy. It was very meant to be."

The star of the hit CBS sitcom says that her time with new beau has been lovely. "He's an amazing rider, amazing equestrian, and a great human. We shared a passion for horses and dogs ... It's been lovely."

Speaking about her bitter divorce with Ryan Sweeting, the 30-year-old actress had explained, "I think when I went through my big breakup... I might have said things like "I'm never going to love again..." I wear my heart on my sleeve, and I knew, even deep down, I knew that this was just not the right thing, that the right thing is coming for me... I'm just glad I got through it. I couldn't be happier."

Cuoco's show The Big Bang Theory season 10 airs every Monday at 8pm EST on CBS Network.