After they got together in February 2011 and after many rumours that they broke up; actress/singer Selena Gomze and Justin Bieber are officially separated for a week now; according to PEOPLE.The couple were seen lately with lots of tension around them and close sources from the couple said Selena doesn't trust Justin anymore and felt she must take this very difficult decision.18 year old Justin was seen with a group of his buddies with model Barbra Palvin where he made sure to take many photos with her. Also, in his latest interview with Opera Winfrey; Justin said he always tried to go out in public with Selena to face his angry fans and to confirm his series relationship with her.