The hotel guest said seeing the singer's fatal fall is something he is "never going to forget”

Cassidy, the girlfriend of the late One Direction star, shared a heartfelt post on Dec. 8 featuring videos of the couple spending time together

Styles shared news of a 12-piece capsule collection between his beauty and lifestyle brand Pleasing and British designer JW Anderson

Malik — who performed in Wolverhampton, England, on Nov. 29 — is the first One Direction member to speak publicly about Payne following his death on Oct. 16

Malik’s Nov. 23 tribute came three days after he attended Payne’s funeral alongside his former One Direction bandmates

In a recent episode of the 'High Performance' podcast, the English musician regretted judging Payne from a video that was taken in the days before his death

The One Direction singer was laid to rest in England on Nov. 20, one month after his tragic death

Payne was laid to rest in England on Nov. 20, just over one month after his tragic death at age 31

Styles and fellow One Direction bandmates Louis Tomlinson, Zayn Malik and Niall Horan and Payne's girlfriend Kate Cassidy were among those in attendance at his funeral on Wednesday, Nov. 20

Harry Styles, Louis Tomlinson and the late One Direction singer's girlfriend Kate Cassidy were among those in attendance at the funeral of Payne — who died on Oct. 16 at age 31 — on Wednesday, Nov. 20