Demi Lovato: 'Myself, Rihanna and Nicki Minaj stand up for ourselves'
Demi Lovato believes only a few female music stars truly stand up for themselves.
She said: "There are a lot of girls in pop.
"They have badass lyrics, but I feel like I'm the only person other than Rihanna and Nicki Minaj who isn't afraid to say, 'Try something on me and I'll f**king beat your ass'.
Lovato's cover issue of Cosmopolitan will go on sale from August 11.
Watch Demi Lovato's latest music video below:
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