Would Katy Hudson or Liu Fu Rong enjoy the same degree of success like Katy Perry and Andy Lau?

What’s in a name? If you ask some celebrities, their entire future may rest on that all-important name – after all, your name is the best way to define yourself.

There’s no small wonder, then, that celebrities the world over have taken on stage names – or have even gone to the extent of legally changing their names.

xinmsn takes a look at those who have gone through this all-important change – and whether or not it was worth the effort.