11Amy Poehler (Regina’s mum) is only seven years older than Rachel McAdams (Regina)

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10In the candy cane scene, the text on the blackboard is a Shakespeare quote referencing three queens.

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9Tim Meadows (Mr. Duvall) broke his hand before shooting so his carpal tunnel was written into the script.

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8In Regina’s room, the picture of her and Karen has a speech bubble with the caption “Always have a shopping strategy”

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5There’s a sign in the girls bathroom for the talent show, which says it takes place Thursday November 27, 2003 (This would have been Thanksgiving Day and too early for Christmas)

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4Labelled “Damian’s Room” it also features posters of Mariah, Celine and Madonna

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