The line will form part of Barbie's existing Fashion Fever collection. It is aimed at girls aged six to seven and will feature five limited-edition dolls, which have been designed in partnership with Girls Aloud.
Priced £7.99, the dolls will be supported by a heavyweight TV campaign, press and online ads in the run-up to Christmas.
Barbie has suffered flagging sales recently, but received a boost this month when the Toy Retailers Association tipped its Princess Pegasus Annika range as a Christmas bestseller.
Mattel has faced criticism in the past for not developing dolls to suit children's contemporary fashion tastes. Laura Buchan, marketing manager for Mattel Girls, claimed the tie-up with Girls Aloud would 'reinforce Barbie's cool factor'.
The Girls Aloud Barbies will rival the Bratz Rock Angelz, launched earlier this year and now the UK's bestselling doll.