Justin Bieber will not be prosecuted for allegedly stealing a woman's phone.

The 20-year-old singer was accused of snatching the device at a mini-golf complex in the San Fernando Valley, California last month, but the Los Angeles City Attorney's office has officially rejected the case due to a ''lack of evidence,'' according to gossip website TMZ.com.

The L.A. County District Attorney (D.A.) referred the case to the city attorney for misdemeanour consideration last week after they decided that the 'Confident' singer should not face felony charges because nine witnesses said the woman made up the alleged robbery.

The woman claimed at the time that Justin demanded to see her phone so he could delete pictures he believed she had taken of him, but when she refused, he grabbed it from her bag.

She said she began ''wrestling'' with the star for the phone and although he allegedly ''ripped it out of her hands'' he wasn't able to access the pictures because the phone was locked.

Justin was said to have demanded she unlock it and she proved she hadn't taken any photographs, before he allegedly ''screamed'' at her and upset her 13-year-old daughter.

Justin previously denied the incident ever happened on Twitter, writing: ''It is hard to defend myself and my privacy every moment of the day. Then to see rumours. The truth will set u free. (sic)''

He then continued: ''My mom raised me to be kind to others. I get judged, harassed, and I try to take the high road. Sometimes it isn't easy. But we keep trying...

''I will continue to be the man my mother raised. I love people and I will try to be kind even when things are not fair. Don't believe rumours...(sic)''