Horan shared a moving tribute to Payne on Instagram.

“It just doesnt feel real,” Horan, also 31, continued.

“Liam had an energy for life and a passion for work that was infectious.

Liam Payne (L) and Niall Horan of One Direction attend the private launch of David Beckham For H&M Swimwear

Liam Payne and Niall Horan.David M. Benett/Getty

He was the brightest in every room and always made everyone feel happy and secure.”

“We got to live out our wildest dreams together and I will cherish every moment we had forever.

The bond and friendship we had doesnt happen often in a lifetime,” Horan wrote.

“I feel so fortunate that I got to see him recently.

“Thank you for everything, Payno,” Horan finished.

“Love you brother.”

“I will cherish all the memories I have with you in my heart forever.

There is no words that justify or explain how I feel right now other than beyond devastated.”

Tomlinson also called Payne a “brother” inhis emotional tribute.

In aseparate message, Styles said: “I am truly devastated by Liam’s passing.

Payne’s family also released a statement in the aftermath.

“We are heartbroken.

Read Horan’s tribute to Payne above.