Chocolate Chip Cheese Ball

1 (8 ounce) package cream cheese, softened
1/2 cup butter, softened
3/4 cup confectioners' sugar
2 tablespoons brown sugar
1/4 teaspoon vanilla extract
3/4 cup miniature semisweet chocolate chips
3/4 cup finely chopped pecans

In a medium bowl, beat together cream cheese and butter until smooth. Mix in confectioners' sugar, brown sugar and vanilla. Stir in chocolate chips. Cover, and chill in the refrigerator for 2 hours.
Shape chilled cream cheese mixture into a ball. Wrap with plastic, and chill in the refrigerator for 1 hour.
Roll the cheese ball in finely chopped pecans before serving.