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Taylor Swift

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Justin Timberlake. Lisa Kudrow. Jason Derulo. Mariska Hargitay. Julia Roberts. The Weeknd. What do these celebrities have in common? If you said they are all stars of the Alf reboot we're writing for Netflix, you're right!

But also, they've all appeared on Taylor Swift's 1989 World Tour as special guests, meaning they are now part of an elite crew that folks like to call "Taylor's Squad." The best part about Taylor's cameo-o-rama is that no one can predict who will join her onstage to walk the catwalk or perform a duet with her. One night it's Lisa Kudrow singing "Smelly Cat" from her Friends days, and the next night Fetty Wap is bringing down the house with "Trap Queen." Taylor keeps us guessin'!

Check out all the celebrity cameos that have hit her1989 World Tour so you can keep up with all the big names that are officially on Taylor's team!