Start by baking the vanilla cake according to the package instructions. Once baked, cover it with plastic wrap or foil and place it in the refrigerator to chill for at least four hours or overnight.
Once the cake is fully chilled, transfer it to a stand mixer and beat on medium speed for about two minutes. Add one to two tablespoons of frosting and continue mixing for another three to five minutes until the mixture reaches a smooth, playdough-like consistency.
Using a cookie scoop, portion out the dough and roll it into small cake balls with the palm of your hands, then place them on a parchment-lined baking sheet.
Melt the pink candy melts in the microwave in 30-second intervals, stirring between each round until it's smooth and creamy.
Dip one end of a cake pop stick into the melted chocolate, about 1 inch deep. Then insert it into the center of each cake ball, being careful not to push it all the way through. Chill the cake pops in the fridge for about ten minutes to help set the sticks.
Once set, fully dip each cake pop into the melted chocolate, ensuring an even coating. Place them back on the baking sheet or stand them upright on a styrofoam block for a classic cake pop look.
While the coating is still wet, immediately sprinkle with pearl sprinkles. Allow the chocolate to harden completely before serving.