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Justin Bieber: I am Not Wearing Nail Polish!

Musician Justin Bieber poses for a portrait while promoting his new book, "Justin Bieber: First Step 2 Forever", in Los Angeles, Oct. 31, 2010. AP Photo/Matt Sayles

CBS/AP NEW YORK There are just some things that Justin Bieber won't do - and wearing his namesake nail polish is one of them.

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Bieber's music has inspired a collection of nail polish in Bieber-riffic shades.

"It's not really my nail polish line. Like, I think it's weird to think about that," he said at a recent event to promote his autobiography, "First Step 2 Forever: My Story."

But other male singers haven' tbeen cowed by nail polish.

Seal, who defines masculinity with his chiseled physique, has worn black nail polish while out on the red carpet. He said he grew a liking to it when his daughters were playing dress up.

Bieber says the nail polish from Nicole by OPI, which is set to hit stores next month, is inspired by his hit songs. "Like, there's names, like, named after my music," he said.

"I don't know," he said of wearing the nail gloss. "It's like a really weird concept."

The collection, called One Less Lonely Girl, includes a bright red shade called OMB! and a glittery polish named Step 2 the Beat of My Heart. Members of Bieber's team said the impetus for the nail polish line was OPI's willingness to donate to Pencils of Promise, a school-building organization Bieber has supported before.

"So do you want me to say that?" Bieber asked, then turned to a reporter and said, "Yeah, a portion of it goes to charity, so that's always good."