Background: Atomic Kitten are a British pop girl group formed in Liverpool in 1998 whose current members are Natasha Hamilton and Liz McClarnon. The band was founded by Colin Pulse, who served as principal songwriter during Atomic Kitten's early years. The group's debut album Right
Context: In January 2004, Hamilton announced she wanted to take a hiatus from the group and devote more time to her young son. Atomic Kitten released the double A-side single Someone like Me/"Right Now 2004" as a "goodbye" to their fans, but were reunited on Valentine's Day 2005 to release the charity single "Cradle 2005", a new version of the original song from their album Right Now which was a number-one hit in Asia back in 2000. "Cradle 2005" peaked at number ten, selling 35,000 copies worldwide, with proceeds going to World Vision.  In 2005, Atomic Kitten were featured on the soundtrack of Disney's Mulan II with the song "(I Wanna Be) Like Other Girls". In 2005, they also performed together in Krakow on 28 August at the Coca-Cola SoundWave Festival. In 2006, they released a cover version of The Farm song "All Together Now". It became a charity single for the 2006 FIFA World Cup and was released only in German-speaking countries. It peaked inside the German Top 20.  The group reunited in December 2006 for The Nokia New Year's Eve Music Festival, performing in Hong Kong on 31 December 2006. They once again reunited to perform at The Number One Project at the Liverpool Echo Arena on 19 January 2008, which celebrated Liverpool's year as European Capital of Culture and the fact that Liverpudlian artists have had a collective 56 UK number-one singles. Also to mark the event, in the same month the group released a cover of "Anyone Who Had a Heart", which peaked at number 78 on the UK Singles Chart.  Although a reunion was due to surface after reuniting in 2008, it never materialised and the girls continued with solo projects: Hamilton gave birth to her third son Alfie in June 2010, Frost presented the first four series of Snog Marry Avoid?, and McClarnon presented Hotter Than My Daughter and also appeared at the Liverpool Empire in December 2012 alongside Coleen Nolan in Cinderella.
Question: What was their first solo act?. Whats the answer?
In January 2004, Hamilton announced she wanted to take a hiatus from the group