"Office parties. Family gatherings. Impromptu cocktail hours. ’Tis the season of celebrations, no matter the setting. While traditions may not change much from year to year, your party attire certainly should. So get rid of your go-to LBD and take some notes from the WILMA style team, who have scoped out the best and brightest looks for all your holiday soireés, from simple get-together to elaborate gala. And if your kind of celebration is snuggling on the couch watching Die