How to get berry-stained lips

Beautiful stained lips from last year's Carolina Herrera show.
This may be a no-go for those girls who like a super-defined lip line. With stained lips, your lip line almost disappears, and it's the center of your lips that's the focus. But there's something about a berry-stained lip that's both cherubic and sexy at the same time, and I recall spending about 2-3 years where I wore nothing on my