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Best: Kristen Wiig steps in for Sia
Though some had speculated that Sia would reveal her face during this Grammy telecast (which was a pretty absurd prediction, by the way), the singer-songwriter gave us another mysterious performance featuring a celebrity stand-in. This time the proxy was Kristen Wiig, who donned the familiar Sia wig for a whimsical romp alongside young terpsichorean wonder Maddie Ziegler. A stunning and totally unforgettable moment that built upon the images in her fabulous "Chandelier" video.
- Louis Virtel