Taylor Swift's house parties are not your average house parties. Instead of beer pong and basements, they take place in her insane Tribeca penthouse and always have a guest list that rivals the hottest red carpet. Last night's bash was no exception. Alongside her BF, superstar DJ Calvin Harris, T-Swift hosted a mere fraction of the Bad Blood video cast — and they all looked on point. Here's what everyone wore to the hottest ticket in town...