ContactMusic — KATY PERRY has heaped the pressure on best pal RIHANNA - she's asked the UMBRELLA singer to organise her bachelorette party.Rihanna was in the throes of announcing her... more info

ContactMusic — RIHANNA has scored a fourth week on top of the U.S. singles chart with her RUDE BOY.The R&B star's hit keeps B.o.B.'s Nothin' On Me in second place for a third week... more info

AngryApe — The pair finally confirm that they are dating more info

VH1 News — Rihanna called her "American Idol" performance "nerve-racking." She also opened up about the "time-demanding" Last Girl on Earth Tour and the success of "Rude Boy." more info

Starpulse — Rihanna has confirmed baseball star Matt Kemp is her boyfriend after months of insisting the loved-up pair was not an item. Reports of a romance spread in January when the singer and the Los Ange... more info

ContactMusic — RIHANNA has confirmed baseball star MATT KEMP is her boyfriend after months of insisting the loved-up pair was not an item.Reports of a romance spread in January (10)... more info

Culture Bully — Rihanna dawned a guitar for her appearance on last night's American Idol performance of "Rockstar 101." more info

Pop Crunch — After performing her new single “Rockstar 101″ on American Idol last night, superstar singer Rihanna stopped by “On Air with Ryan Seacrest” early Thursday, where she spilled the deets on her much talked about romance with Los Angeles Dodger o... more info

People.com — Rihanna's relationship with Matt Kemp is strictly for fun, she tells Ryan Seacrest more info

Big Apple Music Scene — For the first time, Rihanna admitted that L.A. Dodger Matt Kemp is her boyfriend. (They’re pictured at left at a basketball game in January.) “It’s new and it’s fun,” she told Ryan Seacrest on his radio show this morning. “It’s nothing ... more info