Kaley Cuoco celebrated Father’s Day with a sweet tribute to her fiancé Tom Pelphrey.

The Big Bang Theory alum and Pelphrey share a 2-year-old daughter, Matilda.

Cuoco shared a carousel post on Instagram with the caption, “Happy Father’s Day to my 2 favorite guys,” about her father.

“Matilda’s favorite human on earth, and wow, is she the luckiest kid on the planet,” she added. “Being a dad is in your eyes and soul; it’s your calling. We love and appreciate you so much!!”

As for her dad, Cuoco wrote, “The best there is! We couldn’t love you more, and Tildy loves her Bampa!!!”

The Based on a True Story star concluded the tribute with a sweet message: “I feel so lucky to have you both!”

The post featured several images of Cuoco, Pelphrey, and Matilda, including ones of them cuddling together in bed and Pelphrey holding the toddler in his arms while Cuoco hugged both of them.

The post also features snaps of the family of three with the actress’s dad, Gary.

However, Cuoco and Pelphrey began dating in April 2022, and in March 2023, they welcomed Matilda.