MMA fans come in all shapes and sizes now and days. Pop superstar Justin Bieber introduced a lot of younger fans to the UFC this past Saturday as he attended UFC 132 in Las Vegas, NV. Bieber reportedly caused UFC president Dana White’s phone to crash after Bieber tweeted to nearly 11 million followers that he was hanging out with White. The large number of traffic received caused White’s Blackberry to freeze during the main event Sat. between Urijah Faber and Dominick Cruz according to The NY Post.