"I wouldn't be surprised if the CGI Artist that created Roxie was a Natalie Imbruglia fan."

Well, that would be the man himself, Teyon, because he was the guy who created Roxie.
He's also the guy who just posted a rather interesting tease on the matter, did you see his comment?

Either Roxie is indeed inspired by Natalie Imbruglia, or Teyon is "Honestly Torn" and is the biggest tease on the planet ;-)
Click Here <--- Hahaha!