have broken up. A source close to the celebrity pair has confirmed to ABC News Radio that they've gone their separate ways.
Busy schedules and long periods away from one another are reportedly the primary reasons for the split, which happened about a week ago.
Bieber, who's 18, and 20-year-old Gomez confirmed they were a couple in early 2011, though they'd been rumored to be an item for several months beforehand.
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