Hundreds of One Direction fans gathered in London's Hyde Park to pay their respects to Liam Payne, who died on Wednesday at 31 years old.

Rita Ora got emotional during her concert in Japan when she attempted to sing her duet with Liam Payne just hours after his sudden death. The 33-year-old singer struggled to get her words out and even walked off the stage at one point while she tried to perform “For You” — the track she recorded with Payne for “Fifty Shades Freed.”

English singer Zayn Malik has postponed a tour to the U.S. following the death of his former One Direction bandmate Liam Payne

Liam Payne's former One Direction bandmate Zayn Malik postponed his U.S. tour dates following Payne's shocking death last week.

The affected dates of Malik's Stairway to the Sky tour include his Oct. 27 show at L.A.'s Shrine Expo Hall. New dates are yet to be announced.

Investigators in Argentina are now working to reconstruct Payne's final hours, after saying the singer's death likely occurred after "some kind of episode due to substance abuse." Payne's room was found destroyed,

Zayn Malik has postponed dates on his solo concert tour after his former One Direction bandmate Liam Payne died Wednesday.