Kylie Minogue's boyfriend has spoken for the first time about the pop singer's cancer battle.French actor Olivier Martinez - who was described by the singer as her "rock" - revealed he tried to stay strong for his girlfriend after she was diagnosed with breast cancer last May.He told Britain’s Daily Mirror newspaper: "What doesn't kill you makes you stronger. When life tests you, you have to do your best. I'm there for her."The couple have been dating for three years and rumours have been rife that they are due to get married later this year.Martinez refused to confirm any such plans, but did admit, "I'm very happy with the way things are."The handsome actor also had some complimentary words to say about his 'Taking Lives' co-star Angelina Jolie - who he was falsely romantically linked to during the shooting of their movie two years ago.He said: "Angelina's much more than a ravishing beauty. She's an extraordinary woman who deserves to be loved for her talent and for her humanitarianism and everything she does for a great cause."The actor also defended his looks.

He added: "I did not choose to be good-looking. I didn't become an actor to be loved by women."

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