In a recent interview with United Kindom's Rollacosta magazine, Justin Bieber caused uproar when he slammed Prince William for his thinning hair. The 18-year old Canadian-born singer has the famous luscious locks and he even offered some advice to the Royal Prince.

There is no doubt that Prince William is good-looking and his charms helped him in capturing the heart of his wife, the Duchess of Cambridge, Kate Middleton. However, Justin Bieber does not agree for he thinks that Prince William should sort his baldness out.

Justin Bieber mused that he could not understand why Prince William did not use any type of medication to give him hair. "I mean, there are things to prevent that nowadays, like Propecia," Bieber said regarding the hair-loss treatment.

"I don't know why he doesn't just get those things, those products. You just take Propecia and your hair grows back. Have you not got it over here?" Bieber continued on almost as if he was promoting the brand of hair-growing pills.

Many people came out to defend the future King of England claiming that Justin Bieber's snide remarks about Prince William's thinning hair is rude and inappropriate. Hair transplant surgeon Dr. Asim Shahmalak even pointed out that the pop star is no medical expert to recommend such treatment.

"William would have to take Propecia for the rest of his life and it would not help him to grow new hair," Dr. Shahmalak said. The doctor also warned that those patients who do take the drug could suffer the loss of libido as a side effect.

"Prince William has been losing his hair since he was 25. His hair loss is even worse than his father Charles. And obviously his grandfather Philip is bald too. That is a strong family gene. There is a strong likelihood that any male child he has with Kate will also have this bald gene," Dr. Shahmalak added.

Until the time comes that Prince William sits on the throne as the King of England, he will absolutely not mind his thinning hair when there is a crown on his head. Take a look at the video for details on the entertainment news.

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