January 17, 2013 12:10 AM EST -- Selena Gomez and Justin Bieber were the cutest PG-13 couple since Britney Spears and Justin Timberlake. Sadly, Gomez and Bieber's breakup has been just as shocking to Fans as when Spears and Timberlake . .
Selena Gomez and Justin Bieber's relationship is definitely serious, and everyone knows it. Now, according to some rumors, Gomez and Bieber's relationship may be getting even Mehr serious. National Enquirer . . .