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The crowd gasped as the stars arrived at the red carpet. There was Rihanna dressed in giant white roses... and Jared Leno as a giant white cat.

The stars were arriving at this year's Met Gala in New YorkA city in the USA. It is in a state also called New York. . Every year celebrities dress up in amazing outfits to stun photographers and fans.

This year the guests are thought to have paid £40,000 each to go to the event.

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Some people have spoken out against the Met Gala. They say it is too extravagantSpending too much money on something. . It is ridiculous, they say, to spend so much money to make outfits that will only be worn once.

But others think it is ok to be extravagant sometimes.

Many of the world's most fantastic things - from huge temples to brilliant musicals - were very expensive to make. But, supporters say, they bring joy to millions of people.

Yes! Fashion gives people a chance to be creative and show the world who they are, how they think and feel. And a world without beautiful and expensiveCosts a lot of money. things would be much more boring.

No! Fashion is not important at all. It is a big waste of money, time, effort and materials. And it makes people who cannot keep up with it unhappy.