1 (10 ounce) package vanilla flavored cake mix
1 cup melted butter
2 3/4 cups confectioners' sugar
1/4 cup chocolate syrup
1/4 cup milk
1/2 cup vanilla extract
1 (8 ounce) package cream cheese, softened
1/2 cup white sugar
2 teaspoons instant chocolate pudding mix
2 teaspoons vanilla extract