Heat oven to 350 degrees. Line a 13x9 inch pan with parchment paper.
Make brownie mix as directed on box and mix in the chocolate chips to the batter.
Bake according the box directions. Once baked, let brownies cool completely, about 1 hour before cutting.
Using the parchment paper to lift, remove brownies from pan and remove paper.
Using a large heart cookie cutter, cut out 6 brownie hearts. Set aside.
In medium microwavable bowl, microwave caramels and whipping cream uncovered on High 1 to 3 minutes, stirring every minute, until caramels are melted. Be careful, the caramel sauce is very hot.
Arrange brownies on serving plate and drizzle the caramel sauce over the brownies. Sprinkle with pecans, if desired.