Taylor Swift, Madonna Perform 'Ghosttown' Together at iHeartRadio Music Awards, Geek
 

The iHeartRadio Music Awards got a double dose of pop music royalty last night (March 29). For her planned performance of "Ghosttown," pop queen Madonna got a little accompaniment help from the biggest princess of modern music: Taylor Swift. And, of course, they both totally lost their cool in a post-performance love fest on social media after the fact.

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