Katy Perry unveils 'E.T' music video

Katy Perry has unveiled the music video for her latest single 'E.T'.The singer teased fans via her Twitter page ahead of its premiere by asking: "Are you ready for abduction?" before posting the clip on YouTube.The promo sees the star hurtling through space towards a destroyed planet Earth and turning a robot into a human.Kanye West, who also features in the clip and the radio edit of the track,