Katy Perry: Jean-Charles de Castelbajac Fashion Show!

Katy Perry shows off her blue hair while attending the Jean-Charles de Castelbajac show during Paris Fashion Week on Tuesday (March 8) in Paris, France.

The 26-year-old pop star, who brought a fan with the words “Air Conditioning” printed on it, checked out the designer’s Ready to Wear Autumn/Winter 2011/2012 collection from the front row.

Also at the show: Kanye West, who collaborated with Katy on her song “E.T.”.

“I ♥ Paris so much I want to stay forever!” Katy tweeted.