Beat heavy cream in a bowl with an electric mixer or whisk until stiff peaks form.
Beat cream cheese, confectioners' sugar, lemon juice, and vanilla extract in another bowl until smooth. Fold whipped cream into cream cheese mixture until evenly blended.
Line pie crust with banana slices and spread cream cheese mixture over bananas. Spread blueberry pie filling over cream cheese mixture. Refrigerate at least 2 hours before serving.
