The singer famously dated Wilmer Valderrama when she was a teenager and he was 29.

Demi Lovatohas overcome her “daddy issues.”

She continued, “For me, I was a teenager.

Demi Lovato

Demi Lovato.Mike Coppola/Getty

And so to me, that’s gross.

If you are 50 and 60, you’re fine.

Even 30 and 40, that’s not gross at all.

Wilmer Valderrama and Demi Lovato

Wilmer Valderrama and Demi Lovato.Jeff Vespa/Getty

It’s just unhealthy and toxic.”

“And I think there’s a few signs to that,” she said.

“I’m with a partner that is my age, essentially.

I look back on the past and think, ‘That’s gross.'”

They met when Lovato was 17 and Valderrama was 29, beginning a relationship when she turned 18.

Lovato, now 31, is currently dating fellow musician Jutes.

“We’re growing together, and it feels so healthy.”

/ 17, 29."