Supermodel and It Girl Gigi Hadid as Slay-Z completely...slays. Sorry, we had to! Watch her behind-the-scenes clip above.
"I was a bit of Taylor's mentor in the video," Law & Order actress Mariska Hargitay reveals in this behind-the-scenes clip. "I gave her the nod of approval."
Jessica Alba plays a motorcycle expert in "Bad Blood," which should really come as no surprise...the lady was the Invisible Woman in the last Fantastic Four, after all. Swift managed to grab a real life superhero for this one!
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