These finalists then took to the stage participating in weekly Saturday night live performances (alternating weekly between the girls and boys).
They also achieved seven certified albums and have been nominated for five Brit Awards, winning the 2009 Best Single for "The Promise".
The group's musical style is pop, but throughout their career they had experimented with electropop and dance-pop.
Her pictures appeared in the top 100, but Harding withdrew upon achieving success on Popstars.
The programme, the second British series of the international Popstars franchise, would see the creation of two rival groups – a boy band and a girl group each consisting of five members, which would then compete against each other for the 2002 Christmas Number One spot on the UK Singles Chart.
Their singles "I'll Stand by You", "Walk This Way", and "The Promise" have charted at number one.
Two of their albums have reached the top of the UK Albums Chart: their greatest hits album The Sound of Girls Aloud and 2008's Out of Control, both of which entered the chart at number one, with over one million copies of the former being sold.Harding has recently finished filming Run for Your Wife in which she plays one of the wives of the lead character, John Smith. After three years of hiatus, Girls Aloud reunited in 2012 to celebrate their tenth anniversary together.The group released the single "Something New" in November, with proceeds being donated to Children in Need.The programme announced that Harding had won a place as a member of the girl group, Girls Aloud.The group has achieved massive success, having twenty consecutive top ten singles (including four number ones) in the UK, six studio albums have all been certified platinum by the British Phonographic Industry (BPI), two of which went to number one in the UK, and accumulating a total of five BRIT Award nominations.Guinness World Records lists them as "Most Successful Reality TV Group" in the 2007 edition.