Fans think that Taylor is still writing about Joe Jonas, 12 years after their relationship.

Taylor Swift hints she sent ex Joe Jonas a baby gift on new song Invisible String

Jonas Brothers react to their first ever Grammy nomination for Sucker

Jonas Brothers react to their first Grammy nomination since reuniting

Nick Jonas groped by fan on stage at Jonas Brothers concert in shocking video

Nick Jonas groped by fan on stage at Jonas Brothers concert in shocking video

Mathew Imaging

Jonas Brothers reveal Nick Jonas wrote 'Lovebug' about Miley Cyrus in Chasing Happiness

John Mayer once copied a Jonas Brothers song

Jonas Brothers reveal John Mayer ripped off 'Lovebug' with one of his songs

Jonas Brothers new album Happiness Begins is released on June 7

Jonas Brothers new album: Happiness Begins track list, release date and album cover revealed