Canadian superstar Justin Bieber has always attracted a lot of attention, but his mother has now asked fans to stop telling her that he makes them 'horny'. 

Pattie Mallette (pictured left with her famous son) took to her official Twitter page and asked the heartthrob's followers not to send her sexually explicit messages about what they would like to do to him because it makes her feel very uncomfortable.

"Dear Sweet Beliebers, Please stop telling me my son makes you horny." She continued: "It's NOT something a mom wants to hear. Love Mom #ThingsYouDontTellMom."

Bieber, meanwhile, is working on new music and back in June he confirmed that he has been in the studio with R&B sensation Chris Brown. The 'As Long As You Love Me' hitmaker also shared a snapshot of himself recording with Cody Simpson.

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Watch a recent interview with Mallette below: