If you are a Jacqueline Wilson fan you will love her website
In this website you can make your own account and then will be able to post reviews. You also get to go to this mini virtual place and get your own room. In your room you can decorate it to how you like it you also get presents and newsletters there! Best of all you get your very own online diary. You will also be able to vote on what new things you like to get built in your virtual world.
ps: I my username there is angle journel so try and find my posts there!