HOLLYWOOD -- Australia's Cate Blanchett on Sunday flew off with the best supporting actress Oscar for her role as screen legend Katharine Hepburn in "The Aviator."

Blanchett, 35, won the award for her feisty portrayal of the real-life star in Martin Scorsese's biopic about US billionaire Howard Hughes, making good on her second Oscar nomination in six years.

"Thank you, of course, to Miss Hepburn. The longevity of her career, I think, is inspiring to everyone," Blanchett said upon accepting her award.

She also thanked Scorsese, adding: "I hope my son will marry your daughter."

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