Bake brownies. Prepare brownie batter following recipe instructions. Bake in silicone pan; cool completely. Remove from pan.
Prepare icing. Using burgundy icing color, tint 1/2 cup icing dark pink and 1/2 cup icing light pink. Reserve remaining ½ cup icing white.
Decorate brownies. Prepare three decorating bags with tip 103; fill separately with dark pink, light pink and white icing. Attach brownie to flower nail with small dot of icing. Pipe rose on top of brownie; remove from nail. Repeat for a total of four brownie roses in each color.