Finishing up coloring all the main objects, same technique of course. Always add a new adjustment layer for each item.Eyes: I lost some points in the last colorizing contest for having too bright and saturated eyes. Look at some reference pictures when deciding on colors.Lips: You can make them look like they have lipstick or not depending on the amount of colors, overall brightness, etc. If they have teeth, don't just leave them black and white, give it a light cream color.Clothing: In my particular picture it was a black dress, so I raised the black levels up a little to avoid some grey sections. It's usually a good idea to raise the black levels up when doing clothing, or any black area just become a darker tint of whatever color you make the rest of the clothing.Jewelry: Instead of just leaving it B&W I gave it a blue tint, and raised the black levels to give it a more 3D look.Now you are almost done:But wait, there's more...