Justin Bieber reacts to Zayn Malik leaving 1D

Justin Bieber has reacted on Zayn Malik leaving One Direction and seemed disbelieving on the heartbreaking news.

The 'Baby' hitmaker was leaving from a bar when he howled that what he couldn't believe that the One Direction's vocalist was gone, as he was singer's favourite Directioners, TMZ.com reported.

Malik recently announced in the statement that he was quitting the band and that it was the right time for him to leave.