The two-and-a-half-hour-long event, which was held at Jack ... 1975's Matty Healy, Regina Spektor, Weyes Blood and many more. This year's show also featured a reunion of Steel Train, the band ...

After Healy attended all three of Swift's Nashville shows, the rumored couple were spotted holding hands in N.Y.C. Taylor Swift and The 1975's Matty ... collaborator Jack Antonoff was seen ...

and Healy, 34, spent time with a group of pals, including Zoë Kravitz, Margaret Qualley and her fiancé, Jack Antonoff — one of Swift’s longtime collaborators. "Taylor and Matty were kissing ...

While Grammy-winning music producer Jack Antonoff is better known ... a long-time collaborator of the 1975, and Matty Healy, who introduced him to Antonoff, worked closely with the band to bring ...