Taylor Swift turned 25 today and celebrated last night at her apartment in New York with several of her celebrity pals, including Beyonce and husband Jay Z, Justin Timberlake, Selena Gomez, Victoria’s Secret model Karlie Kloss,Chrissy Teigen, Nick Jonas and girlfriend Olivia Culpo, Charlie XCX, Shawn Mendes, Ansel Elgort, Sam Smith, Jaime King, Iggy Azalea and the band 5 Seconds of Summer and the sisters from the group Haim. Swift and most of the others had performed or appeared at the 2014 iHeartRadio Jingle Ball, hosted by Z100, in the city that day, making her bash an impromptu after party.