"The Big Bang Theory" star Kaley Cuoco was never the one to shy away from showing her love for boyfriend, Karl Cook on social media.

According to International Business Times, the 30-year-old has recently posted a cute photo on her Instagram account.

In the black and white picture, Cuoco and Cook could be seen facing each other with their eyes closed and all smiles. She captioned the picture as, "Missing this sweet ♥ so much! Get back here, Mr!" The message contains heart and kiss emojis.

Fans loved the post and left sweet comments. One fan wrote how glad she is that Cuoco found someone who makes her happy. Another fan contributed that Cuoco is very lucky to have find someone who shares the same passion for horses like her.

Before Cook, Cuoco secretly dated her "The Big Bang Theory" co-star and reel life love interest Johnny Galecki for around two years until December 2009. They remain on good terms even after the relationship ended.

After that, she became engaged to addiction specialist Josh Resnik in 2011 but ended their engagement by March 2012.

Next, Kaley Cuoco subsequently became engaged to professional tennis player Ryan Sweeting and the couple got married in 2013. However, they mutually got divorce in 2015.

In September, Cuoco appeared on "The Talk" and revealed that she and Cook first met at a horse show. "I finally found my horse guy. I know. It was meant to be," she said.

Cuoco further praised her boyfriend for being such an amazing athlete. She said that Cook is an amazing equestrian and great man. With their mutual passion for horses and dogs their relationship is going lovely and great.

Its not the first time that Cuoco has gushed over how excited she is to be with the man in her life. She has been quite frequent in posting cute couple photos or cheering for his Boyfriend's career on Instagram.

Meanwhile, "The Big Bang Theory" Season 10 will air on Nov 10 at 8 p.m. ET on CBS.