Kate Cassidy, a social media influencer from New Jersey, remembered the One Direction singer with a heartfelt message online.

Cassidy described Payne as having “the kindest soul and the most fun-loving spirit,” saying that his loss makes her feel “like I’ve lost the best part of myself,” and adding, “I can’t imagine a day without your laughter and love. You brought so much light into my life.”

Kate Cassidy, the girlfriend of One Direction member Liam Payne, shared a tribute to the late singer Wednesday, writing in an Instagram post that the two had plans to get engaged and married.