Wearing a voluminous pink taffeta dress and a pink bow to match, Sia then launched into the song, with the crowd screaming along to every word and Guetta and Afrojack hugging behind the decks.

Guetta himself then emerged onstage and, moments later, the pair were joined Sia, wearing one of her trademark wigs and giant bow that obscured her face. Although the track was credited to only ...

Trending on Billboard Wearing a voluminous pink taffeta dress and a pink bow to match, Sia then launched into the song, with the crowd screaming along to every word and Guetta and Afrojack hugging ...