Taylor Swift’s 1989 tour has become an essential summer stop for both fans and friends of the pop singer. Not only have her concerts played to sold out stadiums worldwide, but Swift has called on her Rolodex of famous BFFs for a series of surprise onstage cameos. Supermodels Cara Delevingne, Kendall Jenner, and Gigi Hadid have all made multiple appearances. Sport champions Serena Williams and the U.S. women’s soccer team danced along with her in London and New Jersey, respectively. —Vogue.
Source: Taylor Swift Girl Gang Entrance Exam – The New Yorker