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
3/4-1 cup miniature semisweet chocolate chips

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