Chocolate Cream Cheese Frosting

1 cup butter, softened
1 (8-ounce) package cream cheese, softened
1 (9.7 ounce) box bittersweet chocolate melted and cooled
3 (1-ounce) squares semisweet chocolate melted and cooked
6 cups confectioners' sugar
1 teaspoon vanilla extract

In a large bowl, beat butter and cream cheese on medium high speed with an electric mixer until creamy. Add melted chocolates, beating until combined. Gradually add powder sugar beating until smooth. Add vanilla, beating until combined. Use frosting immediately.