The couple split on March 7, 2015, with the news confirmed two weeks later on March 21.
While neither elaborated on the reasons behind their split, People Magazine reported "They tried really hard to make it work but it was just impossible – he's away for nine months a year and they just grew apart.".
On February 16, Eleanor re-followed Louis on Instagram.
An article published in UK tabloid The Sun on February 19 confirmed the two were seeing each other again, though neither have publicly spoken about their renewed relationship yet.
Fans had no idea if the rumors were true or not considering these two haven't been seen together in years.
They dated for three years before Louis became a daddy.
Eleanor Jane Calder is a graduate from the University of Manchester, where she earned a degree in Sociology. She originally dated Louis Tomlinson from September 2011 to March 2015. Marylebone School in London for secondary education, before attending the University of Manchester.
They rekindled their relationship again as of February 2017. She graduated in 2014 with a degree in politics and sociology.
They had a really special three years together and they have found it quite easy to find that spark between them again."The insider explained: "Eleanor was flown to Los Angeles for a huge Tommy Hilfiger fashion event as she works with the label as a blogger."But last minute she dropped out of attending because she didn't want to leave Louis' side."Since their split, Louis has become a dad to baby Freddie, 13 months, with former fling Briana Jungwirth.
A source told The Sun’s Bizarre column: “Louis has had a rough ride the past few months and Eleanor wants him to know she is there if he needs anybody to talk to.
They added: “They were together for a number of years and Louis feels he can rely on her.” Shortly after Johannah's death, Louis bravely performed Just Hold On Eleanor has over 3.4 million followers on Instagram and Twitter.
He may have been arrested, but he acted the way he did to protect Eleanor.
Obviously, this is, even more, evidence that they are dating again.