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Pop star Kylie Minogue has cancelled a Glastonbury festival headline appearance and the Australian leg of her current world tour after discovering she has breast cancer. Her 17-year singing career began with the number one hit I Should Be So Lucky in 1988.

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Minogue was playing Charlene Mitchell in TV soap Neighbours as her UK chart success continued with Got To Be Certain then The Loco-Motion, which she promoted on TV shows such as Jim'll Fix It. It became the Australian singer's first US hit.

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Minogue had a Christmas 1988 hit with Especially For You, a duet with Neighbours co-star Jason Donovan. The actor denied their off-screen relationship before Minogue had a high-profile romance with INXS frontman Michael Hutchence.

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Production team Stock Aitken Waterman helped Minogue notch up 19 early hits but she changed her image during the end of their working relationship to project a more sexual persona.

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By 1994 Minogue had signed up to dance label Deconstruction, marking the launch of her new self-titled album with an appearance on BBC comedy series The Vicar of Dibley.

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By 1999 Minogue had experimented with numerous image changes and the longevity of her pop career meant a new Minogue waxwork had to be made for London tourist attraction Madame Tussauds.

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Minogue greeted the new millennium with a new Parlophone record contract, the album Light Years and her fifth UK number one Spinning Around - with a video starring a small pair of gold hotpants.

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By 2000 Minogue had developed a flamboyant stage persona, inspiring the title of her latest Showgirl tour and this Royal Variety Show performance.

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In 2001 Minogue encouraged the world to dance like robots as Can't Get You Out Of My Head topped the UK chart and revived her popularity in the US.

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Can't Get You Out Of My Head won the best international video prize at the 2002 Brit Awards, where Minogue was also named best international female.

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Before embarking on her latest tour Minogue played the voice of Florence in a 2005 movie adaptation of children's series The Magic Roundabout, attending its London premiere.

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Her latest Showgirl world tour was a theatrical extravaganza of feathers, head-dresses and corsets as she performed most of her greatest hits. Minogue is receiving treatment in Melbourne for her early stage breast cancer.