I know, I know. Tattoos are the ultimate form of individual expression. You are literally imprinting your self-identity on your body. It's a permanent part of you in an ever-changing world. So who's to say what makes a "good" or "bad" tattoo? At the end of the day, all that matters is that the tattoo-bearer is happy with it — because they're the one that has to live with it for the rest of their lives.

But, that doesn’t mean we don’t sometimes make regrettable decisions — including stars who have botched ink or a design that's deeply offensive. Take a look and see what you're into, and what you're not so wild about. Here are 20 of the best and worst celebrity tattoos in Hollywood.