What Went Wrong in Leonardo DiCaprio and Camila Morrone's Relationship Before Breakup

Camila Morrone and Leonardo DiCaprio's relationship is coming to an end.

Following the announcement that the model-actress, 25, and Oscar winner, 47,

who has been together for more than four years, have broken up, a source exclusively reveals

to E! News why their relationship didn't work out

Despite finding time for one another throughout the years

the insider claims that Leo and Camila have both been "travelling a lot," which has caused the couple to reassess their union

The insider claims that "distance played a factor," adding that the relationship "run its course

"Although the insider adds that "at the moment, it's not on," there is a potential that Leo and Camila may get along again.

In December, Leo and Camila first fueled romance rumours.