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.

Liam Payne was having the time of his life at former One Direction bandmate Niall Horan's Buenos Aires, Argentina, concert stop days before his death, as seen in a video. Liam's girlfriend, Kate Cassidy,