Kacey Musgraves Is a Cotton Candy Dream at the Oscars If you don't know the country singer yet, her winning red carpet looks are proof it's time to learn. For the 2019 Oscars, Musgraves wore Giambattista Valli Couture. Jennifer Hudson, Christian Siriano, Regina King, Helen Mirren, Thom Browne, Elie Saab, Modelo Ashley Graham, Tom Ford, Best Oscar Dresses
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