India, Feb. 6 -- Liam Payne's girlfriend Kate Cassidy has reflected on the moment she learned of the singer's death and also said that "it still doesn't feel fully real for me that he's not here". One Direction star Payne died aged 31 on October 16 after falling from the third-floor balcony of a hotel in the Argentine capital Buenos Aires. He had been staying in the country with Cassidy who flew back to America prior to his death. Speaking to The Sun, she said: "Love is so optimistic, and you just hope that everything will work out at the end. "Obviously if I knew, if I could see into the future, I would never have left Argentina." She continued: "I had a responsibility, we had a responsibility. We had our dog and obviously I never, ever ...