She's been signed by agencies and has done legit print work for magazines in America and Asia. She doesn't need any more proof that she's a model than that. Now whether or not she's a model YOU like, that's a different story.
For a while, yes. But most of Allison's jobs tend to be in mainland China, versus Elyse who is based in Hong Kong (thanks to Eat-Your-Heart-Out-Tyra for the info).