By Sonya Magett, EnStarz | Aug 27, 2012 01:02 PM EDT
Justin Bieber was asked a personal question by a fan recently, and his surprise reaction and revealing answer was caught on-camera.
"Do you like ass or t*ts better?" one of his fans, Marlene whispered into his ear.
Bieber says "Wow' and appeared stunned for a moment and paused before answering her question.
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"I'm not upset about that question, I swear," he said to the camera. The 18 year-old then asks his fans to not send the girl "death threats."
"I like both," Bieber finally replies.
Bieber has been dating former Disney star Selena Gomez. The teen stars, who are both at the height of their careers right now were recently dubbed "Best Couple in Pop."
We Love Pop magazine presented their annual award to the pair, according to Hollywood Life, and most recently, Billboard magazine announced that Bieber, 18, and Gomez, 20, were voted the eighth most powerful couple.
The singing teen sensation was recruited by VOGUE magazine Editor-In-Chief Anna Wintour to star in the commercial to promote the fourth annual Fashion Night Out. The Wintour-helmed commercial also stars country singer Taylor Swift.
"Meet designers and models... who doesn't want to meet models?" said the "Boyfriend" singer in the video.
Swift and Bieber are wearing the signature Fashion Night Out t-shirt to promote the special evening.
Bieber also appears on the cover of the latest issue of VIBE magazine. His upcoming "Believe" worldwide tour kicks off Sept. 29.
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