Passage: In November 2004, Minogue released her second official greatest hits album entitled Ultimate Kylie. The album yielded two singles: "I Believe in You" and "Giving You Up". "I Believe in You" was later nominated for a Grammy Award in the category of "Best Dance Recording". In March 2005, Minogue commenced her Showgirl: The Greatest Hits Tour. After performing in Europe, she travelled to Melbourne, where she was diagnosed with breast cancer, forcing her to cancel the tour. She resumed the tour in November 2006, under the title Showgirl: The Homecoming Tour. Her dance routines had been reworked to accommodate her medical condition, with slower costume changes and longer breaks introduced between sections of the show to conserve her strength. The media reported that Minogue performed energetically, with the Sydney Morning Herald describing the show as an "extravaganza" and "nothing less than a triumph". She voiced Florence in the animated film The Magic Roundabout, based on the television series of the same name. She finished her voice role back in 2002, before it was released in 2005 in Europe. A year later, she reprised the role and recorded the theme song for the American edition, re-titled as Doogal, which grossed $26,691,243 worldwide.In November 2007, Minogue released her tenth and much-discussed "comeback" album, X. The electro-styled album included contributions from Guy Chambers, Cathy Dennis, Bloodshy & Avant and Calvin Harris. The album received some criticism for the triviality of its subject matter in light of Minogue's experiences with breast cancer. X and the lead single, "2 Hearts" entered at number one on the Australian albums and singles charts respectively. In the United Kingdom, X initially attracted lukewarm sales, although its commercial performance eventually improved. Follow-up singles from the album, "In My Arms" and "Wow", both peaked inside the top ten of the UK Singles Chart. In the US, the album was nominated at the 2009 Grammy Awards for Best Electronic/Dance Album.Minogue began a...

Question: When did Minogue and Oliver broke up?
February 2007