The Flight Attendant star, 35, left Cook, 30, several heart emojis on Instagram when the Traverse City Horse Shows announced that the equestrian had won first place at a show-jumping competition on Sunday.
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“Karl Cook is two for two! 💪🏻 He piloted Caillou 24 to the top of the leaderboard in this afternoon’s $137,000 Agero Grand Prix CSI3* to conclude the Silver Oak Jumper Tournament,” said the Traverse City Horse Shows organisation’s Instagram page.
Cuoco responded in the comments: “❤️❤️❤️🙌🙌🙌.”
“Congrats you, this was amazing 👏❤️🔥,” she wrote.
The actress’ supportive comments come just over a week after she and Cook announced their decision to separate after three years of marriage.
“Despite a deep love and respect for one another, we have realised that our current paths have taken us in opposite directions,” they said in a joint statement published first by People.
“We have both shared so much of our journey publicly so while we would prefer to keep this aspect of our personal life private, we wanted to be forthcoming in our truth together. There is no anger or animosity, quite the contrary.
“We have made this decision together through an immense amount of respect and consideration for one another and request that you do the same in understanding that we will not be sharing any additional details or commenting further.”
Cuoco began dating Cook in 2016. The pair got engaged on her birthday in November the following year.
The actress was previously married to tennis star Ryan Sweeting in 2013 for just 21 months.
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