Line a 9″ springform pan with parchment paper for easy removal.
Mix graham cracker crumbs and butter, then press into the pan and up the sides.
Beat cream cheese with an electric mixer until smooth.
Add powdered sugar, lemon juice, lemon zest, and vanilla, and mix until smooth.
In a separate bowl, whip heavy cream until stiff peaks form.
Gently fold whipped cream into the cream cheese mixture.
Pour filling into the crust, cover, and refrigerate for at least 6 hours or overnight. Serve with whipped cream.