Reliable Source: Lorde and Jason DeRulo were Taylor Swift's D.C. guests. She could have done better!

Taylor Swift's squad is better than yours, okay. Nowhere (outside of Swift's Instagram account) has that fact been more proven then on Swift's 1989 World Tour. The expert bestie has been joined onstage by a steady stream of "surprise-guest" BFFs who have elicited shrieks from the sellout crowd.