Demi Lovato is one tough chick; the August cover girl of Cosmopolitan has no shame about her past, candidly talking about topics such as her personal struggles, suicidal thoughts, Christian faith and what kind of artist she wants to be.

"When I look at someone who's out there partying excessively or rappers rapping about doing drugs, who people look up to, and think, Oh that's a G; that's a gangster. I think, You're actually being a giant p***y," Lovato told Cosmopolitan. "Sorry, but those rockers in the '80s were the furthest thing from rock stars."

Lovato claims those particular artists are "insecure and so lonely," which is why they turned to bad habits to get them through their days. "If you're spending your entire early 20s chasing the next party, what are you running away from? That's not a badass," the singer told the magazine.

"What's a badass is when you can sit through your problems and feel emotions when you don't want to have them. There have been nights where I've had to sit on my hands, because I want to act out, because I physically can't sit still in the pain I'm dealing with, from looking back and being bullied or other things that happened."

The 20-year-old songstress also explained her religious beliefs, stating she is not super religious but believe God has given her a voice "not just to sing with." Since Lovato was 7-years-old, she has struggled with mental illness and recalled have dark thoughts.

"Even before Barney, I was suicidal. I was seven. With Barney, I guess subliminally, I did have a relationship with this figure that was saving my life in a way... I've talked about being bullied and the years of being a teenager," Lovato told the magazine. "But I went through things when I was younger that I've never talked about that probably caused me to turn out the way I ended up turning out."

Lovato's father recently died after a long battle with cancer. She was estranged from her father, who reportedly dealt with mental illnesses of his own.

"Sometimes there are people in your life that you have to cut out," Lovato said, according to Fox News Latino. "It sucks when it's your own father. But I know what's best for... I have an old soul, because I had to grow up fast, because of the public eye and because of my life experiences."

To read Demi Lovato's interview with Cosmopolitan, click here.