The 47-year-old actress, who plays a grumpy CEO in the new festive movie, has revealed T J Miller and Kate McKinnon were responsible for her distraction, reported Femalefirst.
"Adorably, Kate had a really hard time keeping a straight face, so that would send all of us laughing and there were a lot of people in that room.
"They're all so funny, Kate obviously, T J (Miller), they're all funny, it was just wonderful, everybody's cheeks hurt that day.
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