Vanessa Hudgens and Aly Michalka should have ended up in your suite. When you click on them, they take you to the cinema. When you go back to your suite after this the bandslam guitar should be there.
If you don't live in the US, check MissStar2812's blog to be able to receive the celebrities and guitar:
http://stardollfashionfree.blogspot.com/
