Apparently he stood her up at her 21st birthday party and she spent the evening crying in her bathroom.Some people speculate that ' We Are Never Getting Back Together' is about the actor.
However, turns out that ironically, the pair weren't, and after sparking a relationship during the making of the music video, the pair didn't last longer than a month.
Lucas later said the split came when they realised they worked better as friends. On the Ellen De Generes show shortly afterwards, Taylor revealed Jonas dumped her in a 27 second phone call.
It was also rumoured that his growing closeness with actress Camilla Belle also contributed to their split.
The song Better than Revenge is thought to be about this messy love triangle, and despite her sweet image, Taylor scathed in the song: “She’s not a saint and she’s not what you think, she’s an actress.
In May 2017, The Sun' Bizarre column exclusively revealed revealed how Taylor and British actor Joe, 26, had been secretly dating.
Renting a North London home and donning disguises to see her beau, the pair would spend time together in secret as she hid away from the limelight.
Splitting up that September, Taylor's team said their whirlwind romance ended as Tom wanted too much publicity from the relationship.
However sources close to Tom say he just got tired of the star.
Taylor was wooed by the Kennedy son during the summer of 2012.
However, the pair soon broke it off, with differing reasons from both camps saying as to why.
Four years Conor's senior, some sources claimed that her apparent want for a serious relationship was what ultimately called for the downfall between the 18 and 22 year olds.