From Oprah to Barbra Streisand and Kris Jenner: Stars Celebrate Lauren Sánchez and Jeff Bezos' Engagement!

The party was hosted by designer Diane von Furstenberg and husband Barry Diller in their Beverly Hills home

Lauren Sánchez and Jeff Bezos celebrated their engagement in style!

On Sunday, the night before their splashy Vogue spread debuted, the couple — who got engaged in May — were treated to a star-studded soirée in Los Angeles, according to the magazine. The party was hosted by two of their closest friends, fashion designer Diana von Furstenberg and husband Barry Diller, in their Beverly Hills home.

According to the publication, the guest list included Oprah Winfrey, Kris Jenner, Salma Hayek Pinault, Barbra Streisand, Miranda Kerr, Suki Waterhouse, Robert Pattison and more.

Sánchez, 53, wore a white off-the-shoulder minidress by Swiss designer Laura Basci. The design featured an asymmetrical hem and a basque waistline. According to Vogue, when the former Good Day LA co-host first spotted the dress at Basci's L.A. atelier, she immediately knew it was "the one."

To complete her part look, Sánchez added a custom-made Lorraine Schwartz statement necklace with a large cross pendant. Makeup artist Christina Adams oversaw her natural glam, which included Kylie Cosmetics on her lips.

During the celebration, Bezos, 59, gave a touching speech dedicated to his fiancée, and Jewel surprised the guests with an intimate performance.

Related: Who Is Jeff Bezos' Fiancée? All About Lauren Sánchez

Diller, 81, told Vogue that the couple's chemistry is palpable. "They’re very in love with each other — they’re demonstrably in love,” he said. "She’s lit him up in the nicest ways. She’s a great stimulant.”

Sánchez and Bezos previously celebrated their engagement over the summer with a glamorous party aboard the Amazon founder's superyacht, Koru, on Italy's Amalfi Coast. They were joined by Leonardo DiCaprio, Bill Gates and Queen Rania of Jordan, among other VIP guests.

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In the Vogue interview, Sánchez recalled the moment when Bezos surprised her by popping the question. “When he opened the box, I think I blacked out a bit,” she admitted, before revealing that the mogul had hidden the ring under her pillow and she discovered it as she was getting into bed that night.

As for the wedding, the news anchor said the pair is taking their time with the planning. “We’re still thinking about the wedding, what it’s going to be. Is it going to be big? Is it going to be overseas? We don’t know yet. We’ve only been engaged five months!” she said.

However, one important detail that Sánchez has put a lot of thought into is her wedding-day wardrobe. She said she already has a short list of potential designers for her dress — Christian Dior, Dolce & Gabbana and Valentino.

She also confirmed to the magazine that she will be taking the tech titan's name when they officially tie the knot. "I am looking forward to being Mrs. Bezos," she declared.

Related: Lauren Sánchez Denies Jeff Bezos’ Yacht Figurehead Looks Like Her: 'Very Flattered, But It's Not'

Elsewhere in the interview, Bezos opened up about some of the qualities he most admires in his future wife. “Lauren has amazing intuition, almost witchy powers in that regard,” he said. “She sees things that other people don’t see. She’s really very sensitive to other people and what they’re thinking.”

He said Sánchez has inspired him to take more time to nurture his relationships with his loved ones. “She has really helped me put more energy into my relationships,” he told Vogue.

“She’s always encouraging me: ‘Call your kids. Call your dad. Call your mom.’ And she’s also just a very good role model. She keeps in touch with people. I’ve never seen her put makeup on without calling somebody. Usually her sister.”

Bezos also confessed that he intends to stay very hands-off with the wedding details. "Oh, God, no. Do I look that dumb?" he joked of helping Sánchez with the planning.

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