Jimmy Fallon on a Decade of ’12 Days of Christmas Sweaters’: “They’re Beautiful Fashion-y Art Pieces Now” The Tonight Show host and costume designer Mario Martines give a behind-the ...

Over the span of the dozen “12 Days of Christmas Sweater” episodes, an audience member is selected at random to receive, on camera, one of Martines’ fantastical creations.

With Christmas as the first day, every one of the 12 days celebrates a different saint, from St. John the Apostle on Dec. 27 ...

Here's a look at the 12 days of Christmas and what it has to do with Epiphany. The 12 Days of Christmas start on Christmas Day on Dec. 25 and run through the new year until Jan. 6, the Epiphany.