I saw pictures of the belly and it is super cute, and I would love to know how to do it....pretty new to decorating. Thanks

Hi and Welcome to CC, amandanole.

Everything you need to know to make, decorate and assemble tiered/stacked/layer cakes:

http://www.cakecentral.com/cake-decorating-ftopict-605188-.html

Above super thread has popular CC recipes for crusting American buttercreams, several types of fondant and doctored cake mix (WASC and other flavor variations) and so much more!

Here are belly cakes from the CC galleries:

http://www.cakecentral.com/modules.php?name=gallery&meta=search&type=full&search=belly&album=-&search_user=

If you find one you like, post again with a link and it will be so much easier to give you accurate and detailed help.

HTH