So did you change the siteurl and home fields in the db on the GD install? Sounds as though they are still set to your local installation :)
Fire up phpMyAdmin on your GD db account and check that out and adjust as required to your live domain name.
Then, once that is done, install and run this plugin to adjust all the URLs on your site:
However, if you have links that are stored as serialized strings (such as paths to image files that are header images in the default WP themes), then you will have to run another script to adjust those:
Nothing to this web dev stuff, eh? :)