Bake or prepare your pie crust according to instructions. Set aside.
Add ½ cup heavy cream to a medium bowl and whip with a stand or hand mixer on medium-high speed for about 3 minutes, or until stiff peaks form. Set aside.
Beat 8oz softened cream cheese for 4 minutes with a mixer on medium-high speed, until creamy and fluffy. Add ¼ cup powdered sugar and beat again until smooth.
Add in 1 Tbsp lime juice, 2 tsp lime zest, and 1 tsp vanilla and mix until evenly distributed.
Add the whipped heavy cream to the cream cheese mixture and gently fold until incorporated. Be sure not to overmix.