What is a sentence for belly?

Well there is:

My belly is really hurting today.

I wish that my belly would stop grumbling.

My sister has a really slim belly.

After eating a whole Apple pie, 5 large cupcakes, 22 chocolate bars and 15 pieces of rich, Dark Chocolate, Alfred's bellyreally started to ache worse than ever!

There you go! And if that isn't what you wanted then I am sorry! Very sorry indeed.