Katy Perry took to Twitter yesterday to announce the release dates of her DVD / Blu ray editions of her feature length documentary.

We thought Justin Bieber was unstoppable but now it’s official: Taylor Swift earns more money year-on-year.

Rebecca Black turned 14 yesterday and was congratulated by fans and stars including Katy Perry, who featured her video in the ‘Last Friday night’.

Artists such as Lady Gaga, Rihanna, Miley Cyrus, Katy Perry and even Selena Gomez are constantly criticized for their music videos. Sometimes, their videos are ‘so controversial’ they are slammed by their own peers ahead of the release.

Katy Perry s latest music video hit E.T featuring Kanye West and directed by Floria Sigismondi is a stunning collaboration and 2011 s best video yet by far.

Katy Perry’s new music video E.T featuring Kanye West comes out later today. The two big artists have combined their talents in this musical collaboration that could become a big hit.