Prebake pie shell according to package directions.

Melt chocolate and cream in the microwave gently until smooth. Transfer 1/4 cup to a pastry bag or plastic bag to pipe on the top of the pie later.

In mixer,  beat cream cheese and powdered sugar. Add chocolate ganache and beat gently until combined.

On low, beat in Cool Whip.

Pour filling into crust.

Drizzle the reserved ganache on top and chill 4 hours. Top with whipped cream and chocolate curls and serve!