Justin Bieber is Single!

Justin Bieber is single... and sort of ready to mingle.Despite summer rumors that connected him to Caitlin Beadles, the singer confirmed at this year's MTV Video Music Awards that he's available and in the market for a girl who "can make me laugh," as he told People magazine.When you're receiving kisses from Rihanna and Katy Perry, why tie yourself down... right, J Biebs?But does Justin really