THOUGH Sex and the City was the quintessential New York series, you wouldn't know it these days. The highly anticipated film had its world premiere in London - London?!?!?! - on Monday night, and the one and only Sarah Jessica Parker was garbed in a dress by British designer Alexander McQueen, and a hat, if you could call it that, by Irish milliner Philip Treacy.

It's the green thing on top of her head that's garnering all the hype. Treacy is known for his, shall we say, creativity, and he really took it to the limit with SJP's headpiece.

"Well, his mother kept chickens and geese, so he loves feathers and manipulating feathers," Treacy's spokeswoman Nina Farnell-Watson told People magazine.

Treacy, 40, originally from Co. Galway but now based in London, met SJP at her hotel in London on Sunday, and showed her some ideas. As People tells it, "She tried on some different hat shapes and found the one she loved . . . Treacy then worked for two days straight and very late into the night trimming it with peacock feathers he got from McQueen."

Though SJP and Treacy did exchange ideas, she didn't see the finished product until two hours before showtime.

"It's the most beautiful crazy hat and it's so great that she wore a hat to a British premiere. The hat is such a quintessentially English idea," says Farnell-Watson.

She also gets to keep it, which would undoubtedly thrill her alter ego Carrie Bradshaw to bits.