From striped sets to reindeer-printed onesies ... have adopted them as a beloved holiday tradition. Here's how the trend of matching Christmas pajamas started and where you can find your own.

The Food Network star hosted the holiday at her new house Sabrina Weiss ... shared a selfie of some of the family members wearing onesie pajamas. In the snap, Jamar Goff, 21, Ladd, Paige, 23 ...