Kylie Minogue kicked off her long-awaited tour last night (06.05.08) with ex-boyfriend Olivier Martinez in the audience.

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The French actor – who split from the singer in February 2007 – joined 10,000 fans at Paris’ Bercy Stadium, in France, at the opening night of KylieX2008.

An onlooker said: “Olivier looked on very proudly as Kylie wowed fans with the show, which was spectacular.”

Kylie – who recently denied claims she had rekindled her romance with Olivier, insisting they were just friends – opened the show above the stage in a full-length purple gown amid green wires in a gold hoop as she performed Speakerphone from her latest album X.

As well as singing a host of her classic hits including Can’t Get You Out Of My Head and Step Back In Time, the Australian beauty thrilled the crowd with her own version of Barry Manilow’s Copacabana.

The tour has cost over UKP10 million to stage and includes 53 dates across Europe, concluding with a six-night residency at London’s O2 arena ending in August.

It is her first full tour since being diagnosed with breast cancer in 2005.

Kylie – who on Monday (05.05.08) was pronounced a Knight in the Order of Arts and Letters in France – recently revealed she was counting down the days until the tour started.

The Wow singer said: “The countdown has begun!! Not long now before opening night for KylieX2008!!!!

“My cast, crew and I have been working hard to really make this show ‘spectacular’ for you. Full production rehearsals are coming up and we are very excited to merge all the various elements of the show.”