She may only be 20, but Ruth Izabella (@RuthRamirez) is definitely all about her business. On her Model Mayhem page, the fiery model, who has posed for Wheels and Heels and the Arlen Ness bike shop, points out that she is professional, polite, and prompt. But she's also got the goods to back up that professionalism. Just check out the impressive portfolio she's put together thus far in her career. If she keeps it up, it won't be long before business is booming.