Payne was staying in a resort within the upmarket neighbourhood of Palermo within the Argentine capital.
He had been on the resort for 2 or three days, in keeping with employees, and had been within the nation to go to his former bandmate Niall Horan.
Horan was in Argentina on tour and the pair had remained pleasant since One Course’s 2016 break up.
Payne posted on Snapchat earlier this month that he was visiting Horan for a catch-up, saying: “It has been some time since me and Niall have spoken, we have loads to speak about.”
He added: “No dangerous vibes or something like that, however we have to speak.”
Payne attended the present, once more posting social media movies of himself and girlfriend Kate Cassidy singing and dancing on the live performance.
The BBC additionally spoke to fan Noelia Verón – who noticed him on 30 September after which once more on the live performance on 2 October.
She stated “He was positive. Later folks stated he was both drunk or on medication. However that wasn’t the case in any respect. He talked to us, hugged us and even made jokes.”
When Veron noticed him at Niall’s present, she stated he was “dancing, waving and cheering” and “gave the impression to be having fun with himself”.
We additionally know the pop star had visited a pal’s home in Argentina within the days earlier than he died, once more with Cassidy.
However when Payne fell to his demise on 16 October, Cassidy had already left the nation.
