Instagram/Kate Cassidy & Liam Payne Celebrity Grieving partner Kate Cassidy shares her final message to Liam Payne and her regret after the One Direction star's tragic 2024 balcony fall in Argentina. March 20, 2026 AceShowbiz - Kate Cassidy has been navigating a deeply painful journey since the heartbreaking loss of her partner, Liam Payne, who tragically died in October 2024. The One Direction alum, aged 31, fell from a hotel balcony in Buenos Aires just days after Cassidy had returned to Florida from their vacation in Argentina.