"But I don't talk about it." But her brief romance with Jake Gyllenhaal in the fall of 2010 caused the most headlines.
Country pop darling Taylor Swift has certainly become known for writing songs about the ghosts of boyfriends past.
Both deny the rumors, however, and it doesn't seem like Efron was attached to any of the songs on "Red." The pair did write a song about their relationship, denying the dating rumors through a parody of Foster the People's "Pumped Up Kicks" on Ellen De Generes' talk show.
Taylor Swift has been enjoying a secret romance with British star Joe Alwyn.
Even though the boys have been pretty notorious about keeping their love lives on the down low, that doesn't mean they haven't had their fair share of relationships.
While some of their relationships made bigger headlines than others, they have all experienced love and heartbreak.
Once they broke up, all she had to tweet was a lyric from the song: "...'til you put me down," for fans to know it was over.
Two years later, the “1989” highlight “Out Of The Woods” is widely assumed to be about Styles, with lyrical references to their December romance and snowmobile accident.