Nothing captures the magic of the holidays quite like a beauty advent calendar. Each day feels like a little luxury, and this year's collections are better than ever. The most popular sets are already flying off shelves - and with prices starting at just $20, we wouldn't be surprised if they sell out before Black Friday. Below, we rounded up our 12 favorite beauty advent calendars to grab before they're gone. They include everything from glow-boosting skincare to haircare heroes and makeup must-haves.