hey there yes, i knwo a quite a few....i know vanessa hudgens, miley cyruses, rob pattinsons, taylor lautners, justin biebers, selena gomezs, demi lovatos, ladygagas, jonas brothers, and thats it i think reply this if u want me 2 tell u their usernames : )
Zendaya Coleman from Shake It Up is on Moshi Monsters. So is Bella Thorne. They say there are more, but I don't believe any of them because they don't have proof. Hope I helped!
Zendaya Coleman-- Itszendaya-coleman
Bella Thorne-- Look on Zendaya's tree for her username ( do not remember it!
zendaya-coleman iluvsongs hermoine ginny jacobvsedward CattyBella hainahaina
Zendaya from shake it up Katy Perry Harry Potter and Harry Potter Jacob then more