Definitely your bellybutton.
Why would you think this? Having your bellybutton pierced externally will no effect your stomach which is internal.
it does hurt if you get your cartilage pierced. It will continue to hurt for about two the four weeks after you get it pierced.
No
No, she hasn't.
Pain is a relative thing, piercing done by a professional body piercer is quick simple and next to painless.
NEVER get your belly button pierced!
Yes.
No it doesn't hurt and I know this because a friend of mine had both pierced but it would hurt like the nose pierce
pierced? yes she does
maybe
Obviously. Everything hurts when you get it pierced. It might not hurt when the needle goes throug. But it will hirt when its healing.