Iggy Azalea thinks it is inevitable that she will collaborate with Demi Lovato.

The two music stars seem to have a mutual appreciation for each other, with both acts previously praising each other.

When quizzed by a fan on Twitter on Sunday (June 28) about the prospects of a duet, Azalea replied:

"I haven't done a collaboration with her, but I'm sure we will."

However, the Australian then said that she initially thinks about herself first before any collaborations.

The rapper said: "Currently, I don't have anyone but myself in mind when I think about new music."

Azalea meanwhile also played down comments she made on Twitter about Britney Spears' team not promoting their collaborative track 'Pretty Girls' enough.

In response to an article that said the Aussie was "shading" Spears' crew, she said;

"My comment is factual, it applies to any song. I don't have to suck the woman's asshole 24/7 to be her friend, do I? Bye girls."

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Watch Iggy Azalea in Britney Spears' 'Pretty Girls' video below: