Rihanna Diamonds Tour at the Staple Center in Los Angeles! All the stars came out last night to support the Bajan beauty Rihanna for her “Diamonds” Tour at the Staple Center in Los Angeles. Kendell Jenner even showed up after an alleged snub from Rihanna. Also among the crowd was Chris Brown. Their have been multiple reports that Chris Brown and Rihanna’s relationship is over. Citing that there was an argument and now Rihanna wants to just focus on her career. Also some pictures of a blonde Brown was partying with surfaced a couple of days ago. After those photos hit the internet it was a media circus. Although the pictures didn’t even appear…