Some women love their tattoos but when they have to attend an upscale event they may not want to expose them and have them distract from the dress.
Same for those wanting to capture their pregnant belly for a maternity portrait but want to conceal a stretched out tattoo on the belly. Finally, there are some who want to wear midriff-bearing tops but want to conceal stretchmarks from pregnancy.
Fortunately, there are lots of beauty product manufacturers that produce quality and top notch body make up and cover up. Here is a great tutorial for light skin and another