Spray Chrome
a few pics of very small test pieces(my favorite, the plastic spoons)
now if you are going to be painting over plastic I recomend using Krylon Fusion paint, its very good and you only need a very light coat(just one) and then procede with the primer and base coat
remember the test spoons(or test piece needs to be glossy mirror)
a few "Spray On Chrome" Spoons using AngelGilding chemicals