Easy Blueberry Cheesecake

1 (6 oz.) graham cracker pie crust 
1 (8 oz.) package cream cheese, softened 
1 (14 oz.) can sweetened condensed milk 
 1/3 cup lemon juice 
 1 teaspoon vanilla extract 
1 (21 oz.) can blueberry pie filling 

 With mixer, beat cheese until fluffy. Gradually beat in sweetened condensed milk until smooth. Stir in lemon juice, and vanilla. Pour into crust. Chill at least 3 hours. After chilled, top with pie filling.