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Derek Hough and Kellie Pickler (5/13/13)

Also in Week 9's semifinal round, Kellie and Derek's flamenco received praise from the judges, but Carrie Ann said the singer sometimes tensed up during the dance. The reason? "This dress weighs about 5,000 pounds," Kellie explained of her tiered gown. Still, this woman knows how to rock some ruffles.

'Dancing With the Stars' Season 16 Performances