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Pop stars One Direction are preparing to take on Justin Bieber by launching a rival perfume for girls.

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The British-Irish group has signed a deal with bosses at Olivann Beauty to produce a fragrance aimed at young women, which will launch globally next year.

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The singers have been working on the project for six months, and further details of the perfume will be announced ahead of the launch in the fall.

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A post on One Direction's official Twitter page reads, "Big news! A 1D fragrance is on the way!" Bandmember Niall Horan adds, "We've been discussing it for ages & can't wait to hear what fans think!"

The One Direction scent will put the group in direct competition with their pop-pal Bieber, who has launched two female-focused fragrances called Someday and Girlfriend.