Taylor Swift sent fans into a frenzy at her second concert at New Jersey's MetLife Stadium on Saturday (11Jul15) by bringing Nick Jonas out onstage to perform his hit single Jealous. The superstar also welcomed back her model pals Lily Aldridge, Karlie Kloss and Gigi Hadid, and Orange Is the New Black actress Uzo Aduba, among others, to strut their stuff as she belted out her track Style. Swift had invited the U.S. women's national soccer team to join her in the spotlight at Friday night's (10Jul15) gig, alongside special guests Lena Dunham, Hailee Steinfeld and R&B star The Weeknd.