Justin Bieber is reportedly trying his best to win back his ex-girlfriend Selena Gomez back after she was left upset moved on with their mutual friend, DJ Zedd.
A source asserted that the 20-year-old singer has been texting and calling Gomez non-stop, begging her to give him another shot, Contactmusic.com reported.
An insider told another magazine that the 'Boyfriend' hitmaker had put Gomez through so much over the years that she now feels like it is time for him to have a dose of his own medicine.
Bieber split from the 22-year-old singer in 2013 after four years of dating.
