Justin Bieber is the world's most liked and likable celebrity, with every ounce of the international goodwill that Prince William has. There is no way he's going to be washed up when he's the prince's age; and his hair has never been anything to make fun of.

These are the conclusions one might draw from comments the teenaged Canadian singer felt himself in a position to make to Britain's Rolla Coaster Magazine.

As Britain's Telegraph reports, the Biebs, 18, expressed bewildered criticism of Prince William's balding pate, saying, "I mean, there are things to prevent that nowadays, like Propecia. 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?"

British author Jessica Callan tells the Huffington Post that Bieber might just be raked over the coals a bit for his comments about the heir to Britain's throne. "The Brits are viewing Justin Bieber's diss about Prince William's challenging hair problem in the same way you view an annoying fly buzzing around you. He needs to be swatted away," she said. "Wills and Prince Harry may joke about William's thinning hair, but that doesn't mean a kid like Justin can come sauntering in and join in the joke. It's like inviting someone over for dinner and they tell you how awful your carpet is. Even if you agree, how dare they say it? So the Biebs had better watch out! Wills may be thinning on top but he is one cool royal and landed himself the hottest future queen England has ever had. How can Justin and his girly hairstyle possibly compete with that?"

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