During chat show cooking segments, guests are pretty much obliged to swallow down anything with a smile and a full-mouthed thumbs up.

But while visiting the Ellen show, Nicole Kidman somehow got looped into appearing in a cooking segment with celebrity chef Giada De Laurentiis - and she didn't follow the rules.

It all started off with a recipe for risotto balls (as most things do) that went south pretty fast. Short on time, Giada tried to rush Ellen and Nicole through the cooking process but neither one of them was really feeling it. And because no risotto balls cooking session is complete without several terrible "balls" jokes, the celebrity chef took the opportunity for some one-liners, much to the dismay of Kidman.

And then it came time to test Giada's pre-made pizza. After taking a bite, the actress simply commented, "It's a little tough..." before putting the pizza back down and giving us another award-winning eye roll:

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Bear Grylls//Digital Spy

"I know you're not meant to criticise but..it's a little tough," Kidman added before physically removing the bite of pizza from her mouth.

"Nicole, it's been sitting there for like five hours! I hate doing these things!" Giada yelled.

Watch the full segment in all six minutes of its uncomfortable glory below:

From: Harper's BAZAAR US