Kristen Wiig joins Maddy Ziegler for a lively Grammy performance of Sia's "Chandelier"

Sia, naturally, remained incognito

Published February 9, 2015 4:37AM (EST)

The Grammys really took a turn for the better after Prince showed up (proving defintively that Prince is the magic potion that can resuscitate even the most moribund of awards shows). Case in point: this charming rendition of Sia's Chandelier -- introduced by none other than "Elastic Heart" star Shia LaBeouf -- where Kristin Wiig joined "Dance Moms" star and regular Sia stand-in Maddy Ziegler for a little bit of nude-bodysuited interpretive dancing fun. Watch and delight:

By Anna Silman

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Grammy Awards 2015 Grammys 2015 Kristen Wiig Maddy Ziegler Music Sia Video