Well of course she takes inspiration and from and sometimes uses other people's work (often very explicitly) - but no, she is not a "copycat". That would imply she has no ideas of her own... and considering the colossal medieval-style castle she is currently hauling around the globe, I think that is a ridiculous suggestion. Paws Up!
Really everyone is. There isn't that much originality in the world really when you look at it deeply. Everyone is an imitation or amalgam of someone else, being truly original is near impossible. Some people are more obvious than others, but that's OK, what's the big deal?
That diva's fierce.