theatre school, Stage 84, and briefly taught there. Music career Girls Aloud Walsh auditioned for the reality television show Popstars: The Rivals in 2002 with the song "Where Do Broken Hearts Go". Several thousand applicants attended auditions across the UK in hope of being selected. Ten girls and ten boys were chosen as finalists by judges Pete Waterman, Louis Walsh and Geri Halliwell. Walsh did not initially make it into the group of ten female contestants who were to appear on the show. However, when another contestant was disqualified on a technicality, she found herself on the show. These finalists then took to the stage participating in weekly Saturday night live performances which alternated weekly between the girls and boys. Each week, the contestant polling the fewest phone votes was eliminated, until the final line-ups of the groups emerged. Walsh joined Nadine Coyle, Sarah Harding, Nicola Roberts, and Cheryl Tweedy to comprise the new girl group Girls Aloud, formed through the show by a public vote on 30 November 2002. The group's debut single "Sound of the Underground" peaked at number one on the UK Singles Chart, becoming the 2002 Christmas number one. Girls Aloud hold the record for the shortest time between formation and reaching number one. The group released their debut album Sound of the Underground in May 2003, which entered the charts at number two and was certified platinum by the British Phonographic Industry (BPI) later the same year. 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. 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. Girls Aloud's collaborations with Brian Higgins and his songwriting and production team Xenomania earned the group critical acclaim, due to an innovative approach to mainstream pop music. The group became one of the few UK reality television acts to achieve continued success, amassing a fortune of £30 million by May 2010. Guinness World Records lists them