UsMagazine.com is reporting that the story of the breakup between Jonas and Swift is being published in the latest issue of Us Weekly.
A source close to the two stars, who have been dating for the past several months, says that the relationship came to an end at the beginning of the month. The breakup reportedly took place during a phone conversation. The source said, "He broke her heart."
Swift, the 18-year-old country star, and Jonas, 19, never confirmed that they were dating.