![Teenage Dream 照片 shoot [HQ]](http://images2.fanpop.com/image/photos/14200000/Teenage-Dream-photo-shoot-HQ-katy-perry-14201031-500-333.jpg)
She confessed “I brush my teeth all the time. I wanted them to be like, Britney Spears white. I used to grow up seeing her 音乐 视频 and be like ‘What does she do? Does she get a new set of teeth all the time? They’re so white!”
Katy reportedly always has 20 new toothbrushes around, and 实习医生风云 her pearly whites six times a day.
Why is she so obsessed with teeth? Katy explained “I did have 13 cavities at one time, so 你 can imagine why I’m so freaked out.”
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![Wearing A Bikini At A Hotel Pool In Miami [26 July 2012]](http://images5.fanpop.com/image/photos/31600000/Wearing-A-Bikini-At-A-Hotel-Pool-In-Miami-26-July-2012-katy-perry-31606531-500-344.jpg)
![Wearing A Bikini At A Hotel Pool In Miami [26 July 2012]](http://images5.fanpop.com/image/photos/31600000/Wearing-A-Bikini-At-A-Hotel-Pool-In-Miami-26-July-2012-katy-perry-31606521-314-500.jpg)
![Katy Perry Part Of Me Premiere In Los Angeles [26 June 2012]](http://images5.fanpop.com/image/photos/31200000/Katy-Perry-Part-Of-Me-Premiere-In-Los-Angeles-26-June-2012-katy-perry-31268682-327-500.jpg)
![Katy Perry Part Of Me Premiere In Los Angeles [26 June 2012]](http://images5.fanpop.com/image/photos/31200000/Katy-Perry-Part-Of-Me-Premiere-In-Los-Angeles-26-June-2012-katy-perry-31268340-357-500.jpg)
![The Smurfs Premiere In New York [24 July 2011]](http://images5.fanpop.com/image/photos/30900000/The-Smurfs-Premiere-In-New-York-24-July-2011-katy-perry-30958909-333-500.jpg)
![In Berlin [21 March 2012]](http://images5.fanpop.com/image/photos/29900000/In-Berlin-21-March-2012-katy-perry-29932044-331-500.jpg)
