She spent a year writing and recording her solo debut album, Fired Up, working with a wide range of producers including Richard X, Xenomania, Johnny Douglas, Brian Higgins, Estelle and Paul Epworth.
In March 2005, their Greatest Hits compilation was released and it was announced that they were separating to pursue solo careers.
In September 2009 Dixon became a judge on the seventh series of Strictly Come Dancing, replacing fellow judge Arlene Phillips.