Joy to the world—it’s holiday time! It’s one of the most magical times of the year, especially for retailers, who invest tons of time and work into spicing up their window displays to attract customers. And this year seems even more spectacular than ever, which is why we rounded up all the biggest and best windows right here. Click through the gallery to get the inside scoop on the coolest holiday displays, like the Cirque du Soliel-inspired pieces at Bloomingdale’s and Lord & Taylor’s 75th anniversary scenes, which Smash star Megan Hilty helped reveal. We'll keep adding more, too. 'Tis the season!