From striped sets to reindeer-printed onesies ... Here's how the trend of matching Christmas pajamas started and where you can find your own. Related: 30 Ways To Celebrate A Southern Christmas ...

such as matching plaid pajamas or ones adorned with cute reindeer, as a family on Christmas Eve. There's nothing quite like waking up to the festive spirit and seeing the whole family dressed as one.

While Kim didn't reveal where she got the matching sets from, we've found a similar option at Next. The Little Tailor Reindeer Christmas Fairisle Pattern pyjamas are strikingly similar to Kim's.