In advance: Make fondant hearts, bows, hands and shoes. Add 1 teaspoon Gum-Tex to 8 oz. of fondant. Tint half rose and half red. For hearts, roll out fondant 1/8 in. thick; cut using 2nd smallest cutter. For bows, shape ½ in. triangle loops and ¼ in. diameter ball knot. Attach bows to hearts with damp brush. For legs, cut lollipop sticks to 3 in.; attach to back of hearts with melted candy. Let set. For arms, on a 3 in. stick, shape white fondant hands 1/2 in. long; attach to back of hearts with melted candy. Let set. For boy's shoes, tint a portion of fondant black. Shape 5/8 in. oval shoes. Insert leg sticks through shoes, leaving 1 1/4 in. exposed at bottom for inserting in cupcake. Let all fondant pieces dry on waxed paper-covered board dusted with cornstarch.
Bake cupcakes in Hearts Standard Baking Cups. Cool completely on Cooling Grid.
Spray cupcakes with pink and blue Color Mist? Food Color Spray.
Tint buttercream icing pink and blue. To decorate booties on cupcakes, use round tip 12. Beginning at toe end of bootie, pipe a ball with heavy pressure, hold tip at a 45º angle as you move toward back of foot, then bring tip straight up to finish. Indent top of booties with finger dipped in cornstarch. Use round tip 2 to add zigzag cuffs and sting bow to booties.