You have a few choices when you get a really bad tattoo. You can just live with it for the rest of your life. You can spend a whole lot of money and pain getting it removed. Or you can get an awesome tattoo done on top of it! These people went with the last choice and it was the right one!
It's hard to even tell what the first tattoo this woman had was. Perhaps a child's rendition of a unicorn? But the final cover up version of a rearing horse was a definitely a vast improvement!