Zayn Malik Spotted at L.A. Nightclub Ahead of One Direction's Fifth Anniversary

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On the eve of One Direction's fifth anniversary, former band member Zayn Malik was spotted partying at the Los Angeles nightclub 1 OAK, and ET has an exclusive look at the singer's night out, with video courtesy of

An eyewitness tells ET that the 22-year-old left the venue with a couple of friends around 2:30 a.m., and was seen sticking his tongue out at photographers outside the club. This is the first time Zayn has been spotted in L.A. since he quit One Direction in March.

WATCH: Zayn Malik Finally Breaks His Twitter Silence Since Leaving One Direction

On Wednesday, some members of One Direction – who jetted out of L.A. the night before – took to Instagram to thank for their fans for all the support over the last half-decade as their fifth anniversary approached, with Harry Styles writing, "to you who support us, in any way, thank you. We wouldn't be here without you."

Louis Tomlinson, who's been making headlines himself since the news broke that he is expecting a baby, thanked 1D fans for their support, although he made no reference to his impending fatherhood.

WATCH: One Direction's Louis Tomlinson Breaks His Silence Following Baby News

Hard to believe it's been five years since One Direction became a band -- even harder to know it's the first year without Zayn. For more on Zayn's departure, check out the video below.

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Video of Malik courtesy of