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Christina Aguilera performing Express from her new film, Burlesque. Image Credit: Rex features

Pop singer Christina Aguilera is joining the ranks of the celebrity fashion designers after teaming up with a Brazilian department store to launch her own clothing collection.

The Dirrty hitmaker announced the deal with C&A bosses at a press conference in Sao Paulo on Wednesday, reports dailystar.co.uk.

"I am here and very focused on the campaign," she said.