411 Mania — They continue to go at it... more info

Starpulse — Rihanna and Rob Kardashian spent their entire Saturday together ... going go-karting during the day (above) and hitting up Playhouse in Hollywood at night (below). It's interesting ... the ... more info

Perez Hilton — We didn't expect her to allow someone else to get the last word in! And luckily, this time around, she refrained from making careless jokes about a serious subject! As we reported, Rihanna and Joan Rivers started going tit for tat with each other on ... more info

Big Apple Music Scene — In case you forgot there's a male version of the fame-whoring family, Rob Kardashian has taken it upon himself to start dating Rihanna. More » Post from: Crushable more info

Perez Hilton — Well, well, well! WHAT do we have going on here? It seems Rihanna had herself quite the Saturday with none other than Rob Kardashian! The pair was spotted yesterday afternoon chasing each other around an El Lay go-kart track, and then the playdate ... more info

Pop Crunch — Aw snap! A host of Rihanna’s fans and Twitter followers have taken comedy legend Joan Rivers to task after the flippant funnygal/fashion critic made a barb about the singer’s lingering [...] more info

Starpulse — Rihanna has taken aim at Joan Rivers after the outspoken comic mocked the pop star over her candid interview with Oprah Winfrey. The Umbrella hit-maker broke down in tears during a chat with Winf... more info

411 Mania — New pics of Rihanna out in a skimpy top... more info

Jam! Showbiz Music, Canada — Rihanna has taken aim at Joan Rivers after the outspoken comic mocked the pop star over her candid interview with Oprah Winfrey. more info

Big Apple Music Scene — Joan Rivers started a Twitter feud with Rihanna by tweeting about the singer's relationship with Chris Brown. Now it's game on, and Joan is actually surprisingly winning. More » Post from: Crushable more info