Okay I just looked on ebay and I saw quite a few Hello kitty patches/embellishments so I could make pj's, t-shirt or tank top and put a cute patch on it if you are interested.
http://crafts.search.ebay.com/hello-...0helloQ20kitty
I think this would be too cute on a tank top:
http://cgi.ebay.com/IRON-ON-COLOR-RH...QQcmdZViewItem
or this one:
http://cgi.ebay.com/Hot-fix-iron-on-...QQcmdZViewItem