The "There You'll Be" hitmaker, who turns 50 this year, says she only strives for happiness, reported E! online.
"I really do swear by the fact that if you are happy and if you spread that happiness, you skin will be rosy, your smile will be bigger, your eyes will be brighter - no matter what decade you are in; no matter what stage of life you are in. It's what I strive for.
"Take care of yourself; take care of your soul. I'm OK with having lines. I'm almost 50, I want people to know I've smiled a lot," Hill says.
"I honestly don't pay attention to it. If I did, my girls would notice and I don't want that. It's not a message I want them to have. The secret is being confident - with your age, with yourself. Life is so precious. We only have one; what's the point of stressing about all of that? Each decade has been different. Each day is a blessing. That's how I want to look at it...