United Kingdom, March 10 -- Cody Simpson has lifted the lid on his high-profile romances with Kylie Jenner, Gigi Hadid and Miley Cyrus.

The 29-year-old pop star - who swapped music for competitive swimming in the last few years - revealed reality TV star Kylie, 28, was his first proper girlfriend and the relationship came about after they met at the Los Angeles premiere of The Twilight Saga: Eclipse in 2010.

Cody explained he took Kylie on a date to the cinema and they were together for about a year. During an appearance on the We Need To Talk with Paul C. Brunson podcast, Cody explained: "It was young. I took her to the movies or something and we dated for about a year and I think we just bonded through being in these unique situations...