Katy Perry's latest single, 'E.T.,' will land at radio this week and it features a cameo by Kanye West. Why is this nugget of information so important? Well, West is not on the original version of the song, which appears on her smash hit album 'Teenage Dream.' So we are anxious, to say the least, about how the West-ern version of the song will sound, since he is a new addition to the radio edit.

West will also appear in the music video helmed by Floria Sigismondi, who has shot videos for other highly visual artists like David Bowie, Bjork and Marilyn Manson, to name a few.

Perry issued a press release about the song, which included a photo (shown above) of the singer and West. West looks like his usual dapper self, cloaked in a black jacket and oversized shades, while Perry's face is dusted with white, pink and blue Kabuki-style makeup and she is sporting an interesting, alien-like headdress that looks almost like antlers.

'E.T.' is the fourth single from 'Teenage Dream' and it follows her string of No. 1 songs, including 'California Gurls,' 'Teenage Dream' and 'Firework.'

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