Anna Wintour, Jeff Bezos, and Lauren Sánchez Bezos had big parties before the Met Gala.

The Bezoses had a party at their apartment in New York City on Saturday. Many stars came, including Brooks Nader and Nicole Kidman.

Brooks Nader wore a black and lace gown. Lisa Rinna wore a black and red gown with red feathers.

Brooks Nader, Lauren Sanchez-Bezos, and Nicole Kidman attended pre-Met Gala parties.

Kendall Jenner wore a simple black dress with a small bow.

Lauren Sánchez Bezos wore many daring outfits before the Met Gala.

Brooks Nader attended Jeff Bezos' party.

Kendall Jenner attended Jeff Bezos' party.

Nicole Kidman wore black pants and a white shirt. She looked like she was going to a business meeting.

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The next day, stars like Sánchez-Bezos and Serena Williams went to Wintour's party.

Nicole Kidman smiled at Jeff Bezos' party.

Lisa Rinna attended Jeff Bezos' party.

Sabrina Carpenter wore a black and lace dress. Serena Williams wore a red gown.

Donatella Versace wore a nude dress with rhinestones.

Donatella Versace attended Anna Wintour's party.

Sabrina Carpenter attended Anna Wintour's party.

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Pharrell Williams wore a nude suit and a Louis Vuitton purse.

Serena Williams attended Anna Wintour's party.

Lauren Sánchez Bezos wore a red silk outfit to the party.

Pharrell Williams arrived at Anna Wintour's party.

Jeff Bezos and Lauren Sanchez arrived at Anna Wintour's party.

Lauren Sánchez Bezos wore a vest and a skirt. Her husband wore a gray suit.

Lauren Sánchez Bezos attended a press conference for the Met Gala. She wore a gray dress.

Many people attended the press conference for the Met Gala.

Lauren Sánchez Bezos spoke at the press conference.

She also spoke on stage before the big night.

The Met Gala is facing backlash. Staffers found urine bottles in the museum.

Someone put up posters that said 'Boycott the Bezos Met Gala'.

A sign said 'The Met Gala VIP toilet' and asked people to urinate in water bottles.

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Janelle Ash is an entertainment writer. You can send her story tips.