Justin Bieber Apollo Theater Concert: Power Goes Off, Bieber Still Ends Show [VIDEO]

A night Justin Bieber will never forget.

Justin Bieber was performing a private concert for his fans at the legendary Apollo Theater on Monday when the power went off, but the singer managed to finish the show for the enthusiastic fans.

Towards the end of the concert, a problem caused a power outage for most of the stage instruments, but the lights on stage and in the audience didn't go off.

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"Me and ludacris blew up the power at the Apollo Theater..Haha.Epic," Bieber said via Twitter.

The problem was supposed to be fixed in some minutes so he did a drum solo first, then he had the dancers do a dance battle and then he asked the fans to sing a birthday song for his manager Scooter Braun.

But later he was told the power wouldn't be on for an hour, so Bieber went out to the crowd, quited them, told them the situation and said they must end it with him, Braun explained via Twitter.

Bieber then performed "Boyfriend" doing all the coreography and with the fans singing and the drummer playing a backline as the music.

"A night none of us will ever forget!! That is how u end an #AllAroundTheWorld run!!! With no power for the last song...my fans sang it 4 me!" Bieber said on Twitter.

"I got to witness one of the most special moments I have ever witnessed...as a true star and his fans came together to finish a show," Braun said via Twitter.

The Apollo Theater's representative Nina Flowers couldn't say what caused the power outage, according to the Associated Press.

The private concert was part of an NBC special to air later this week.

Watch Bieber Perform "Boyfriend" at the Apollo Theater Below: