Kylie and Dannii Minogue, Australia's hottest sister set, have taken the world by storm. Kylie, 47, is an internationally renowned pop star, known for songs including "Can't Get You Out of My Head." Dannii, 43, has also enjoyed a successful music career and an even more prosperous turn as a reality television judge. She has served on the panels for shows such as "Australia's Got Talent," "Britain & Ireland's Next Top Model" and "The X Factor" in the United Kingdom. —XFINITY Entertainment Staff (Photo by Anthony Harvey/Getty Images)
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