An aspiring rapper has requested a restraining order against Justin Bieber over allegations the pop star invaded his privacy by posting his phone number online. Kevin Pederson claims he has been bombarded with messages from Bieber's loyal fans ever since the Baby hitmaker tweeted his cell phone number to his millions of followers on 13 June (13). In his legal papers, the 20 year old argues that Bieber shared his contact information in an apparent bid to refute suggestions the two are friends, and devotees have since sent him thousands of nasty messages and death threats. A spokesperson for the pop sensation is adamant Bieber never posted the number. Pederson, also known as King Kevi, wants Bieber to stay 150 yards (137 metres) away from him at all times. According to TMZ.com, Pederson previously lived rent-free at the superstar's estate in Calabasas, California with Bieber's pal Lil Twist.