See Every Celebrity on Stage at Taylor Swift's Concerts!

Taylor Swift is on fire! From England to Germany and back to the US, she's been traveling the globe performing her new hit album 1989 and has looked stylish every step of the way. But Taylor's outfits aren't the only thing lighting up the stage . . . she's invited some of her best friends — aka half of Hollywood — to join her in various cities. Who will take the stage with Taylor next?

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