Try out this free app called Face Swap by Microsoft Research. Though, its only available for Windows Phone 7. The app will be able to detect multiple faces which you can exchange just by shaking your phone.
Justin Bieber employed Floyd Mayweather to teach him how to box, so that in the event he meets Orlando Bloom again, he'll be able to put up a fight. But instead of training Bieber, Mayweather decided to beat the shit out of him. Read more