Valentine's Day nails are a popular way to celebrate the holiday of love and affection. These nails can be decorated with a variety of romantic and playful designs, such as hearts, cupids, roses, and love letters. They can be painted in traditional Valentine's Day colors like red, pink, and white, or in more playful hues like glitter or pastel. Nail art techniques like hand-painting, decals, and stamping can be used to create intricate and personalized designs.