"I understand that need to have different collaborators,” said the producer when discussing his relationship with The Life of a Showgirl star Jack Antonoff stopped by The Howard Stern Show on Tuesday morning ahead of the release of the Bleachers’ fifth studio album, Everyone for Ten Minutes . During the wide-ranging interview, the producer and musician discussed his relationship with 14-time Grammy winner Taylor Swift and their collaborative partnership — the pair have worked together since before Swift’s 1989 album through The Tortured Poets Department and her re-recorded versions of  Fearless  and  Red . So, when news got around that Antonoff wasn’t featured on her most recent LP,  The Life of a Showgirl,  rumors swirled online that they had a falling out.…