Canadian pop star Justin Bieber has a new critic - no less than Paris Jackson, the 15-year-old daughter of the deceased King of Pop.

Ironically, she paid tribute to Bieber just a year ago, saying she was a big fan of the current King of Pop.

Paris minced no words in calling Bieber irresponsible. She pointed to Justin's claim that he has smoked marijuana and his responsibility to millions of fans worldwide called Beliebers some of whom post pictures of Twitter cutting themselves for the pop start to get his attention to stop his bad habit.

"But I don't think Justin should do something where he would get caught, so that his young fans aren't influenced ... Imagine when those little girls are adults and they have kids and they ask, 'Oh mum, where did you get those scars? How do they respond? When I was 12 my favorite singer smoked marijuana. I think it's very irresponsible of him to do that!" The Mail quoted Paris who is actually a neighbour of the Beauty and the Beat star.

She disclosed being initially hurt by tweets whenever she reads negative stuff so simply stopped reading them.

"There's so much hate there. I've stopped reading it. I try not reading about my family," said Paris who is probably anticipating another round of negative publicity over a lawsuit filed by her grandmother, Katherine Jackson, against the producers of the London concerts of her father. Ironically, Michael died of overdose of propofol, a sedative.

Despite the many negative reports about her dad, Paris insisted he was an incredible father who tried to provide them good education but was very protective of their privacy. When the three Jackson offspring were younger, they had to wear masks in public so as not to be identified and mobbed by fans and paparazzis.

"He didn't want anyone to see what we looked lie. That way we would have what he didn't, which was a normal childhood," Paris explained.

Paris, who disclosed she attends a public high school to enjoy a normal high school experience, said she plans to restore Neverland ranch which is in a sad state following the death of her famous father in 2009.

She cried when she saw the Ferris Wheel gone. Paris said she wants to rebuild the ranch for the sake of sick children who enjoy the place, although it was the same place that got Michael in a lot of trouble over allegations that he molested young boys in Neverland.

Paris added she wants to be a heart surgeon to help other people.

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