Following the news of Liam Payne's tragic death, his former One Direction bandmate, Niall Horan, has shared a deeply emotional tribute, recalling their final moments together.

"I feel so fortunate that I got to see him recently. I sadly didn't know that after saying goodbye and hugging him, I would be saying goodbye forever," Horan wrote of Payne attending his concert in Buenos Aires on Oct.

Niall Horan appeared heartbroken today, marking his first public appearance since Liam Payne's passing. The 31-year-old former One Direction member fell 45 feet from the third floor into the courtyard of the Casa Sur Hotel in Buenos Aires, sparking an outpouring of tributes from the entertainment world.