Would Ashley Greene be better as Bella?

Ashley Greene as Alice Cullen in Twilight I don't know how you feel about Ashley Greene but I think the girl is georgeous. Personally I think she'd be better to play Bella the main character in Twilight than Kristen Stewart. Bella in the book is someone who needs protection all the time hence Edward Cullen became so protective of her throughout the book. Ashley Greene although she does not exude