'The Big Bang Theory' star Jim Parsons pens sweet birthday message for husband Todd Spiewak

The “Big Bang Theory” star Jim Parsons on Instagram late Tuesday posted a photo of his husband, producer Todd Spiewak, to celebrate the latter’s special day.

"To say I am grateful you were born would be a ridiculous understatement," Jim began his caption that accompanied an old photo of Todd looking happy as a lit sparkler on a cake lent a celebratory glow on what looks like an intimate candle-lit dinner.

“I love you and hope you always feel free to sing along to all the birthday wishes coming your way!” he added.

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Jim first posted the photo of Todd back in December 2018 and said it showed his husband's true spirit. They were simply having dinner at a New York restaurant, Jim narrated, when the cake came out the way it did.

"It was no one's birthday," Jim continued, "but yes, Todd sang anyway."

In interview with Jimmy Fallon on “The Tonight Show” last October, Jim revealed that they both tested positive for coronavirus in March 2020.

The couple got married in May 2017, after dating for nearly 15 years.

Happy birthday, Todd! — Franchesca Viernes/LA, GMA News