Pink Champagne Cupcakes - Cupcake Fanatic

Ingredients

• 1 cup (2 sticks) salted butter, room temperature
• 2 cups sugar
• 1 tsp vanilla
• 6 egg whites
• 3 cups all purpose flour
• 3 tsp baking powder
• ½ tsp salt
• 2-3 drops red food coloring
• 1 cup champagne