Pop Justice — As well as performing 6000 concerts and releasing albums with half-finished songs on them, Rihanna took some time out this year to follow in Serious Actor Justin Timberlake’s footsteps and star in a film. Here is a new trailer for it. (YouTube) (ht... more info

411 Mania — Check out some of Katy's sketches.... more info

ContactMusic — Pop star Katy Perry showed off her acting skills this weekend 10Dec11 by dressing up as Christina Aguilera and impersonating Catherine Duchess Of Cambridges sister Pippa Middleton as the guest host of U S comedy show Saturday Night Live The I Kissed.... more info

Perez Hilton — This is the most random foursome ever. But, you know what?? We likey! Katy Perry made her debut as host on SNL last night and who knew that THIS was going to happen! In a HIGHlarious digital short, Katy becomes holiday BFFs with Andy, Matt Damon AND ... more info

Big Apple Music Scene — There was nothing wrong with Katy Perry's hosting job on last night's SNL; she was cute as the Hello Kitty enthusiast and hilarious as a different kind of Pippa Middleton. Whatever her strengths were though, she just couldn't out perform Kristen Wiig... more info

ContactMusic — Robyn has been praised by fellow pop star Katy Perry by being described as the epitome of effortless cool Robyn had been supporting Perry on her California Dreams Tour and Perry had been impressed by her sense of style Talking to MTV News Perr... more info

MTV.co.uk News — British singer Adele has made Billboard history by becoming the first female singer to top the artist, album and singles list in the same year. The singer beat Rihanna, Katy Perry and Lady Gaga to... more info

411 Mania — The two will be on SNL tonight... more info

Dlisted — It's nice to see that the butt cheese teeth Lindsay Lohan's dentist chopped off to stick veneers in her mouth got a job. Here's Matt Damon looking like he just snowballed the wrong butthole while shooting an SNL skit with Katy Perry, A... more info

Perez Hilton — Aww, we love sweet stories about married couples that are still in tact! Katy Perry is preparing for her SNL hosting gig this Saturday night, and Russell Brand is on the phone with her every day to help! After rehearsals and meetings, she calls him... more info