In the days before his untimely passing last month, Liam Payne was soaking up the sun on a holiday with his partner, Kate Cassidy. The pair were in Buenos Aires, Argentina, where Liam had recently seen his ex-bandmate Niall Horan perform live.

Kate Cassidy has been left devastated by the loss of her boyfriend Liam Payne after he sadly died in Argentina on October 16, just days after she left the country

Law enforcement has roped three persons in their investigations, including a "friend" of the "Both Ways" singer, a hotel housekeeper staff, and an alleged drug dealer identified as Brian Nahuel Paiz, who delivered drugs to him twice on October 14.

Liam Payne’s grieving girlfriend Kate Cassidy is giving more details about her decision to leave Argentina in the days before the singer plunged to his death — and she’s telling friends that she gave him an ultimatum to stop using drugs. “His drug use was causing a lot of drama,” said the friend, who speaks to the 25-year-old influencer regularly.

Former One Direction star Liam Payne was tragically found dead at his hotel in Argentia - and just 48 hours earlier, he was enjoying his romantic getaway with girlfriend Kate Cassidy before she decide

Liam Payne's girlfriend Kate Cassidy shared why she decided to fly home to Los Angeles while he stayed in Argentina after giving the star an alleged drugs ultimatum

Liam Payne's girlfriend, Kate Cassidy, is still 'in shock and disbelief' following his unexpected death at 31 years old. A source tells ET that she’s trying her best to process the loss, leaning on loved ones,

Liam Payne's girlfriend Kate Cassidy allegedly warned him to stop taking drugs or he would 'lose her' before she cut short their holiday to Argentina, returning home 48 hours before his death.

Kate Cassidy, the girlfriend of late singer Liam Payne, is reportedly still in shock following his tragic death. According to a source close to the influencer, she is going through a difficult time. Cassidy is however doing her best to process everything.