United Kingdom, Oct. 21 -- Reba McEntire feels "happier" than ever at the age of 70.

The singer - who has sold more than 75 million albums in her career - admits that it's "wonderful being 70".

She told People: "I think I'm happier now than I've ever been in my life.

"It's amazing. It's wonderful being 70 and getting to do what I get to do at the level I want to do it."

Reba got engaged to Rex Linn in December, and she's loving life with the 68-year-old actor.

She said: "I've never been loved by a man like Rex Linn.

"Rex is a very tender-hearted man, and I just love him with all my heart. He's a good guy. Real bashful though."

Reba still relishes serving as a judge on The Voice, explaining that she wants to see "how many more great...