Key Points
- Big Bang Theory star Kaley Cuoco turned 40 on Sunday, November 30.
- She celebrated with fiancé Tommy Pelphrey and their daughter, Matilda.
- Cuoco has starred in The Flight Attendant, Based on a True Story, and Harley Quinn since the sitcom ended.
- Upcoming projects include Kansas City Star and Vanished.
- Cuoco became a first-time mother in March 2023 and got engaged in August 2024.
A Milestone Birthday
Kaley Cuoco, best known for her role as Penny on CBS’s long-running hit The Big Bang Theory, marked her 40th birthday on November 30. The actress celebrated the milestone with her fiancé, actor Tommy Pelphrey, and their daughter, Matilda.
From Penny to New Roles
Cuoco’s look has evolved since her 12-season run on The Big Bang Theory, where she often sported blonde hair in varying styles. Today, she embraces a more natural “lived-in” look, with darker roots and golden tones.
Since the sitcom wrapped in 2019, Cuoco has built an impressive résumé. She earned acclaim for her starring role in HBO Max’s The Flight Attendant, appeared in Peacock’s Based on a True Story, and continues to voice Harley Quinn in the animated series.
Her IMDb page lists upcoming projects including Kansas City Star and Vanished, signaling a busy year ahead.
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Personal Life and Family
Cuoco’s biggest life changes have come off-screen. She welcomed her first child, Matilda, in March 2023, and became engaged to Pelphrey in August 2024.
Reflecting on their relationship, Cuoco shared on Instagram: “What a wild, beautiful journey life can be. Grateful for every road that led me straight to you @tommypelphrey.”
The couple has not yet announced wedding plans. Cuoco was previously married to tennis player Ryan Sweeting (2013–2016) and equestrian Karl Cook (2018–2022).
What Happens Next
As Cuoco enters her forties, fans can expect to see her continue balancing motherhood with a thriving career. With new projects on the horizon and her family by her side, the actress remains one of Hollywood’s most versatile and relatable stars.
