ContactMusic — Rihanna has taken aim at Joan Rivers after the outspoken comic mocked the pop star over her candid interview with Oprah Winfrey The Umbrella hitmaker broke down in tears during a chat with Winfrey for her Own network ea... more info

Topix — Music 3R's 08.25.12: Please Just Say Yes Posted by Nick Krenn on 08.25.2012 From Katy Perry being John Mayer's avenue to get to Rihanna and Justin Bieber's appearance on The Simpsons to Chris Martin liking Muse's new song, Taylor Swift crashing weddi... more info

411 Mania — From Katy Perry being John Mayer's avenue to get to Rihanna and Justin Bieber's appearance on The Simpsons to Chris Martin liking Muse's new song, Taylor Swift crashing weddings and more, 411's Nick Krenn breaks down the Right, the wRong and the Ridi... more info

411 Mania — Plus Jay Sean and Russell Simmons… more info

ContactMusic — Joan Rivers has warned Rihanna against being friends with her ex-boyfriend Chris Brown The 79-year-old star called the 24-year-old singer an idiot after watching her open up about ex Chris Brown to Oprah Wi... more info

Guardian Music — Rita Ora, On tourAs anyone aware of that little-known recording artist Rihanna will already know, Jay-Z sets the bar quite high when it comes to choosing a protege. Their backgrounds are very different (Rita Ora comes from the former Yugoslavia and w... more info

Perez Hilton — Oh Joan, we wish you hadn't joked about this. We understand that a lot of people were upset by Rihanna's response to Oprah's questions about Chris Brown earlier this week. We get that. We just don't think it should be something to joke about. Apparen... more info

Prefix — By now, just about everyone knows that the album as a medium for music has been going through some tough ... Read the full article at http://www.prefixmag.com/news/album-sales-in-britain-hit-all-time-low/68315/ more info

411 Mania — Plus Kelis, Ne-Yo and more… more info

ContactMusic — Lil Wayne found Drake and Chris Browns club brawl funny The Lollipop hitmaker laughed when he heard about the incident between the two rivals - who have both had relationships with Rihanna - back in... more info