Justin Bieber Justin Bieber

As a DJ played Justin Bieber's hit "One Less Lonely Girl" during a Malibu, Calif., wedding reception, the singer happened to be walking by along with girlfriend Selena Gomez — and decided to crash.

"We heard a party so we decided to just come. So let's party," Bieber said on the disc jockey's microphone. Bieber and Gomez hung around a few minutes to take photos and meet the bride and groom.

"WEDDING CRASHERS last night! hahaha. Too funny. Crazy story," Bieber tweeted on Sunday.

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