According to ABC
, spending long periods away from one another was one of the reasons why the couple broke up.
According to Washington Post
, the break up reportedly happened sometime last week.
According to Cinema Blend
, Gomez and Bieber started to date back in February of 2011.
The relationship appeared to be going strong for quite awhile, and there were reports that Bieber went to extravagant lengths to please Gomez, which included taking Gomez on a helicopter ride and renting out the Staples Center in Los Angeles.