Toast to love with a refreshing strawberry champagne cocktail. In a blender, puree fresh strawberries until smooth. Strain the puree to remove any seeds. Pour the strawberry puree into champagne flutes, filling them about one-third of the way. Top with chilled champagne or sparkling wine. Garnish with a fresh strawberry on the rim of the glass. This elegant and fruity cocktail is perfect for celebrating Valentine's Day in style.