The dream, in which you see your own belly, shows the thoughts and ideas that are being crystallized and comes to the reality. Perhaps you are ready to get realized the ideas that were staying in your mind for a while. The belly could also indicate the suppressed emotions one is holding in. Perhaps you should trust more in what you can achieve. If you see the belly that contains the baby in it, then such dream denotes to the feelings that are about to come out. If you were rubbing your own belly in a dream, then such dream could indicate the internal stimulus which causes the feelings of hunger.
Read more about dreaming of Belly in other dream meanings interpretations.