Count Justin Bieber as one of the legions of One Direction fans who are broken up because Zayn Malik quit the band.
Biebs was leaving Bar 20 at the Grafton Hotel in WeHo Thursday when our photog gingerly asked how he felt about One Direction-less. Bieber echoed the hurt that millions of tweens are enduring.
Biebs also dropped some big news, although it did seem pretty obvious ... he'll be walking Floyd Mayweather to the ring for the big fight with Manny Pacquiao.
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