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 …