Mariah Carey's new single is for "whoever's gone through any relationship".

Mariah Carey

Mariah Carey

The 45-year-old singer insisted 'Infinity' is not about her estranged husband Nick Cannon but hopes it strikes a chord with anyone who has experienced similar romantic problems.

She said: "I don't feel like it's my personal life. It's written for all the women, or men, or whoever's gone through any type of relationship.

"I'm looking at it as the mantra of 'Infinity' is love yourself... loving yourself first to infinity.

"Then you can love anybody or anything else - your career, your kids, your life.

"It's like someone emancipating themselves. It's like my re-emancipation of Mimi. I wanted everybody to be able to sing along with [me]. It's a big chorus."

However, even if the song was about Nick - the father of her three-year-old twins Moroccan and Monroe - she wouldn't admit it.

She added to 'Access Hollywood': "I tend to be more private about my personal life anyway, so even if the song were about someone in particular, I would never say that, because that would be like my own private thought

"We had a bunch of collaborators on that song too."

The 'Hero' hitmaker's 'Mariah #1 to Infinity' Las Vegas residency begins next week, but she won't be doing much partying in the city as she'd rather be at home with her twins.

She said: "I'm not really like a let go and party [person] out here. It's too smoky. The cigarette smoking is like... everybody's smoking here.

"I can't handle it with the cigarette smoke 'cause of the smoke.

"So my idea of fun is like to go home and watch a movie with the kids - like, whatever they feel like watching."