Dua Lipa "never thought" about being famous.

The 28-year-old singer is one of the biggest pop stars in the world with a string of Grammys and BRIT Awards under her belt and as she prepares to launch her third album 'Radical Optimism' admitted that one of the biggest "dilemmas" she faces as a writer is knowing how much of her personal life to incorporate into her lyrics.

She told Zane Lowe on Apple Music 1: "I never thought of the idea of being famous. So it is interesting. As I'm growing in the industry and seeing the different sides of it's like, 'Okay, what things do I keep for myself? What things do I put out?' It's a writer's dilemma. In some ways, I had no inhibitions. I was jumping in and experimenting and trying something new. In some ways, I was really scared to ... Or it just took me a while to find my voice, to write things that they were personal to me, but always in code, never fully wanting to put myself out there just because I felt like I needed to keep something for myself.

"And with this album, I feel like I've managed to put so much more honesty out there, and be really open in a way that I don't think I've ever had the chance to. I also feel like when I was writing Future Nostalgia, whatever I wrote that day in the studio, that was it. That was like the end of the song. Maybe a couple lyric tweaks here and there, but that was the demo that I would then go and record and finish."

The 'Training Season' hitmaker has often kept her personal life under wraps but is thought to have split from Romain Gavras earlier this year after just a few months of dating and explained that in terms of relationships, she had to find out what she "needed" before pursuing one.

She said: "In terms of relationships, I needed to get to this place in order to find what I really needed. You have to be in the act of forgiveness and growing and learning, and being okay with the past in order to move on with what's to come next. So it's, for me, "Happy for You" is a beautiful, happy song, because it's so reflective of my journey.

"I think with every relationship, with every experience you learn about yourself, you learn about things that are hurtful to you, what you expect, what you should be ready to give as well. I think, again, it goes back to that exchange of vulnerability. I think I've had relationships which have been really hurtful, especially earlier on, where I feel like I've been made to feel like not good enough or have made me lose my confidence. And I've had to find that again. And you learn about your own non-negotiables. I think that's an important thing. It's of course the right person, but it's really about the right relationship. And you find that in friendships and in love relationships as well, of your non-negotiables. What are you willing to give up? Someone's like, 'Oh."' Maybe you have an ick or something, or you see that someone is disloyal. I'm like, 'That's a non-negotiable.' I want someone who's loyal and open and honest, and that's what I'm willing to be as well in return. You figure out what those things are for you.