Models-turned-Actresses

These lovely ladies all got their start as models and then turned their attentions to the world of acting. Who do you think has, had, or will have, the most successful acting career?

This is not an exhaustive list, but limited to those who have, had, or will likely have a relatively good acting career.

Discuss here: http://www.imdb.com/board/bd0000088/thread/224085864