article_snippet: This isn't the first time the L'Oreal model has gone for a drastic hair-over.
article_snippet: In the 13 years since she first shot to fame on the ITV show Pop Idol, she's tried out many different styles.
article_snippet: she started out with glossy short black hair, has had bright highlights, long extensions and after famously being ditched from the US X Factor she came back with a brand new blonde bob.
article_snippet: she once said: 'A different hair colour gives you a boost.
article_snippet: Here we look back over she hair-volution...
highlights_snippet: The singer and TV judge said the chop was 'long overdue'
  Has previously had a number of different hair styles both long and short .