The Mirror — Loose-lipped pop star Rihanna has revealed her friend Katy Perry is to marry Russell Brand in a ceremony in India at the end of the year. more info

MTV.com News — 'Tik Tok' singer filmed third video from Animal LP.By Jocelyn Vena Ke$ha on the set of her "Your Love Is My Drug" video Photo: Eric Ford/ On Location News Ke$ha is gearing up to tour with Rihanna this summer, but not before taking time out ... more info

MTV.com News — Singer reveals that Perry and Russell Brand will get married in India at the end of the year.By Jocelyn Vena Katy Perry and Rihanna Photo: Lester Cohen/WireImage Rihanna and Katy Perry have been friends for a while now, so when Perry needed... more info

411 Mania — Slash and Axl, Whitney Houston is sick, Nicki drops Ke$ha and Rihanna, Lindsay Lohan is still hot, Dr. Conrad’s defense, Erykah Badu naked, Detox is coming and more! Plus, Aubrey O’Day vs. Katy Perry in Battle of the Babes, the Rain... more info

ContactMusic — Rihanna claims her relationship with Matt Kemp isn't serious.The 'Russian Roulette' singer - who was first linked to the baseball star at the beginning of the year -... more info

TMZ — Ke$ha showed us her knack for making produce vanish -- with the help of a hungry giraffe.Baby Gaga was at a zoo in Australia last week, when she decided to get grubby with a long-necker. More Ke$ha Rihanna & Ke$ha -- Last Girls on Earth Ke$ha... more info

Topix — Nicki Minaj Drops Out Of Rihanna Tour Posted by Mitch Michaels on 04.08.2010 Nicki tweets that she'd rather work on her album... Nicki Minaj was announced for the big upcoming "Last Girl On Earth Tour" with Rihanna and Ke$ha just the other day, but n... more info

411 Mania — Four weeks in a row for Rihanna... more info

Starpulse — Katy Perry has heaped the pressure on best pal Rihanna - she's asked the "Umbrella" singer to organize her bachelorette party. Rihanna was in the throes of announcing her summer tour with Ke$ha wh... more info

Reuters — NEW YORK (Billboard) - Rihanna's "Rude Boy" led Billboard's Hot 100 singles chart for a fourth week on Thursday, with the top eight titles unchanged from the previous week. more info