Before you know it, you'll be ringing in the holidays with "All I Want for Christmas Is You (Extra Festive Version)," and it's a good time—though when have we ever needed a special occasion?—to switch out those nudes and pastel polishes for something a tad bit more festive. Sparkles! Glitter! Chrome! No need to ask us twice. Here, the 10 best winter nail colors, from shimmery party shades to matte jewel tones, to lift you from your cold-weather slump.