New Hairstyle - Update My Look !?

I have long blonde hair that touches down to my back right above my butt. It's cut in a V shape. I have a round face, want to keep it pretty long, don't want bangs or to change the over-all color. How should I update my look?

What I was thinking: get a couple inches off, get a more defined V cut, and add some soft brown low lights into the bottom half so I don't have to maintain. I have natural wavy hair and very thick. I do like to curl and straighten.

Please include suggestions and pictures of what a great new look would be for me :) Thank youuu