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On Saturday Justin Bieber enjoyed some quality time with girlfriend Selena Gomez at the beach in Malibu, and when the lovebirds heard Bieber's song "One Less Lonely Girl" playing at a party nearby, they decided to head on over and join the celebration!

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The famous young couple stayed at the wedding for about 10 minutes, posing for photographs with the lucky newlyweds.  "WEDDING CRASHERS last night! hahaha. too funny. crazy story," Justin tweeted.

How awesome would it be for Justin & Selena to crash your party?