A fan of Liam Payne exclusively tells PEOPLE that she had a few interactions with him leading up to the One Direction member's death, and there was "nothing strange or unusual" about his behavior.

One Direction bandmates Liam Payne and Niall Horan reunited earlier this month when the late Strip That Down singer attended one of his concerts in Buenos Aires

Liam Payne shared what would be his last photos with his former One Direction bandmate Niall Horan two weeks before his death, when they reunited at Niall’s concert in Argentina.