'The Big Bang Theory' Star Kaley Cuoco's Birthday Surprise Was Ruined by Jim Parsons

Conversation, Sitting, Coffeehouse, Restaurant, Table, — (Image credit: Michael Kovac)

Kaley Cuoco and Jim Parsons have a sweet dynamic on their hit show The Big Bang Theory, now in its last season, as snarky friends Penny and Sheldon. And at least it seemed that their friendship carried over off screen, as the two have shown up in each other's social media and hugging on the red carpet. But all of that might be about to change, all thanks to Cuoco's on-set birthday celebration and the tragic mistake that Parsons made.

I kid, of course. Here's the story: Apparently, there was a super-secret birthday cake just for Cuoco, whose birthday is today. Designed with rainbow sprinkles and a personal message, it looked like the perfect present. The problem is, Parsons actually shared a photo of the cake before it was officially time for the unveiling. He might have been channeling Sheldon as a clueless slip-up—or, it might have been a crafty prank on his long-time costar.

A post shared by Jim Parsons (@therealjimparsons)
A photo posted by on

Parsons immediately followed up with Cuoco's reaction to the snafu, which seemed... unenthused, at best. "Oops," he captioned it.

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A post shared by Jim Parsons (@therealjimparsons)
A photo posted by on

Oops is right. Was it intentional? Is there a secret grudge now between the two of them? We may never know!

Actually, no, we totally do. Cuoco just got married this past summer to Karl Cook in adorable (and in some ways actually quite affordable) style. We're not totally sure if Parsons attended, but he sent her a sweet sendoff on Instagram.

A post shared by Jim Parsons (@therealjimparsons)
A photo posted by on

They're friendship goals, in the best way—pranks included.

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Katherine’s a contributing syndications editor at Marie Claire who covers fashion, culture, and lifestyle. In her role, she writes stories that are syndicated by MSN and other outlets. She’s been a full-time freelancer for over a decade and has had roles with Cosmopolitan (where she covered lifestyle, culture, and fashion SEO content) and Bustle (where she was their movies and culture writer). She has bylines in New York Times, Parents, InStyle, Refinery29, and elsewhere. Her work has also been syndicated by ELLE, Harper’s Bazaar, Seventeen, Good Housekeeping, and Women’s Health, among others. In addition to her stories reaching millions of readers, content she's written and edited has qualified for a Bell Ringer Award and received a Communicator Award.

Katherine has a BA in English and art history from the University of Notre Dame and an MA in art business from the Sotheby's Institute of Art (with a focus on marketing/communications). She covers a wide breadth of topics: she's written about how to find the very best petite jeans, how sustainable travel has found its footing on Instagram, and what it's like to be a professional advice-giver in the modern world. Her personal essays have run the gamut from learning to dress as a queer woman to navigating food allergies as a mom. She also has deep knowledge of SEO/EATT, affiliate revenue, commerce, and social media; she regularly edits the work of other writers. She speaks at writing-related events and podcasts about freelancing and journalism, mentors students and other new writers, and consults on coursework. Currently, Katherine lives in Boston with her husband and two kids, and you can follow her on Instagram. If you're wondering about her last name, it’s “I go to dinner,” not “Her huge ego,” but she responds to both.

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