Today it was reported that Justin Bieber and Selena Gomez called it quits largely due to the fact the pint-sized pop singer may not have been — how should we put this — monogamously minded.

OK! GALLERY: SELENA GOMEZ LEANS ON TAYLOR SWIFT AFTER A BREAK-UP PLUS OTHER WAYS TO HEAL AFTER A BREAK-UP

"Their main problem," a source revealed. "is Justin has a wandering eye."

This isn't the first time we've heard rumors about jealousy within the relationship. Several stories revolved around Selena's "trust issues," which really brings up more questions than answers about the 'Boyfriend' singer.

We always thought Selena was such an amazing score for him, right?

OK! GALLERY: SELENA GOMEZ ARRIVES AT THE VENICE FILM FESTIVAL TO PROMOTE SPRING BREAKERS

If these two crazy kids can't make it work, here's a list of four eligible bachelors the very pretty Selena could absolutely date if Justin proves to be a thing of the past.