Justin's Instagram war with Selena comes just two months after he re-followed her on the photo-sharing app.
The 'Sorry' hitmaker hit the follow button on...
Justin Bieber un-followed Selena on Instagram after they split up in November 2014.
And they showed signs they were getting on when Bieber re-followed her...
Before Justin re-followed Selena, their only interaction was when the 22-year-old singer shared a throwback photo of them locking lips back in March.
The 'Cruel'...
And way before the pair started feuding Selena admitted that she was tired of answering questions about her former flame.
She said: 'I'm so exhausted....
Justin Bieber quit social media and his fans have celebrated with a "deactivated party".
The hunky pop star deleted his Instagram account, which had...
Selena Gomez has "never" used Justin Bieber.
The 24-year-old singer songwriter - who previously had a five-year on/off romance with the 'Sorry' hitmaker -...
Justin Bieber has reportedly accused Selena Gomez of cheating on him with Zayn Malik.
After Justin threatened to make his Instagram private when fans hit...