Justin Bieber & Tyga Perform Together at 1OAK!

Justin Bieber and Tyga hold on to the mics at 1OAK nightclub on Saturday evening (January 30) in Hollywood.

The 21-year-old pop star and 26-year-old rapper serenaded the crowd that evening during their impromptu performance.

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Justin treated the crowd to some of his smash hits including “Sorry” and “What Do U Mean?” Afterwards, he was sure to buy a few roses for a few lucky ladies outside the club.

“We got flowerz for the ladies and,” he posted on his Instagram.

10+ pictures inside of Justin Bieber and Tyga at 1OAK nightclub…