I am truly devastated by Liams passing, Styles wrote on Instagram Thursday.

The years we spent together will forever remain among the most cherished years of my life, Styles wrote.

I will miss him always, my lovely friend.

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Liam Payne and Harry Styles on Aug. 4, 2015 in NYC.Kevin Mazur/WireImage

The memories we shared with him will be treasured forever.

The list goes on.

Thank you for shaping us, Liam.