Justin Bieber vs Online Enemy: With an army of over 5 millions Twitter followers, it's best not to upset teen sensation Justin Bieber, as he proved earlier this year when he posted the phone number of an enemy on the social-networking site. As a result, Kevin Kristopik found himself the unwilling recipient of thousands of phone calls and messages from Bieber's Beliebers.
8 of 10
Girls Aloud Star For Shrek After Amanda Holden Falls Pregnant
Jay-Z, Kanye West Remain At Number One With 'Watch The Throne' Amid Legal Threat
Jane's Addictions' Dave Navarro: I Sprayed My Blood On Marilyn Manson's Mirror
Lady Gaga Speaks About Cher Duet And Meat Dress Purse
Example To Collaborate With Dizzee Rascal On New Album? 
As Muse Prepare For Reading & Leeds: 20 Facts About 'Origin Of Symmetry'.jpg)
Miley Cyrus, Britney Spears, Madonna: Worst Covers Of All Time
Reading And Leeds Festival: Most Memorable Moments Through The Years
