(NewsNation) — Amazon founder and mega-billionaire Jeff Bezos and his bride-to-be, Lauren Sanchez, are preparing for their wedding this summer in Italy — and drawing up their invite list, a golden ticket if ever there was one. 

The wedding will be held in Italy on their yacht, the Koru — a 417-foot, three-masted sailing yacht that cost over $500 million. 

While the yacht has multiple decks, including one with a pool, and is accompanied by a 250-foot support yacht with a helipad, it can only sleep 18 guests — meaning some wedding guests won’t be staying on-site … but who cares? It’s the wedding of the century, and people are champing at the bit for an invite to the big event.  

So who’s on the list?

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What family members are in for the Jeff Bezos and Lauren Sanchez wedding?

Here are some family members I believe will be invited:

• Bezos’ four children with ex-wife Mackenzie Scott
• Sanchez’s children: son Nikki Gomzalez, 24, with ex Tony Gonzalez; as well as her two children with Patrick Whitesell, Evan and Ella, both 17.
• Gonzalez and his wife, October “Tobie” Gonzalez. Although Sanchez and Gonzalez split in 2001, the two have remained close, and Tobie is one of her best friends. The couples often vacation together.
• Elena Sanchez Blair. Lauren has an extremely tight bond with her younger sister Elena, 42, despite their 13-year age gap. She has described Elena as her “best friend” and the “second mother to her children.”

What friends are in for the Jeff Bezos and Lauren Sanchez wedding?

Here’s a lucky few I believe will be invited:

• Oscar-winning producer Brian Grazer and his wife, Veronica Smiley Grazer. Veronica — who works as the global strategic advisor for Vintro, a company that “facilitates business connections around the world by democratizing access to business leaders that matter,” as well as being the founder of Reel Genius — is also one of Sanchez’s closest friends.
• Kim Kardashian and Kris Jenner. The mom-ager and her daughter are renowned members of Sanchez’s “Girl Gang” and are said to talk almost daily.
• Katy Perry and Orlando Bloom. A frequent guest on the Bezos yacht, Perry was picked by Sanchez (as well as CBS anchor Gayle King) to fly to space with her on the Blue Origin “girls trip” taking place later this year.

• Eva Longoria and her husband, Jose Baston. Longoria and Sanchez have been friends for over two decades, and Sanchez and Bezos have awarded her the Blue Origin Courage & Civility Award — and also invited her on many trips in the past.
• Jessica Alba. The “Fantastic Four” actress and Sanchez have been close friends since meeting at the Entertainment Industry Foundation Revlon Run/Walk together back in 2007.
• Ivanka Trump and Jared Kushner. While other Trumps (including the president) may be invited, Ivanka and Kushner have cemented their friendship with Bezos and Sanchez, even appearing at Bezos’ holiday dinner at Matsuhisa in Aspen this year before Bezos and Sanchez showed up at Trump’s inauguration.

• Baby2Baby Co-CEO Kelly Sawyer is also a close “girl gang” pal and frequent guest on the Koru.
• Lydia Kives — the wife of former talent agent and investor Michael Kives — is also a “Girl Gang” member and frequent Koru passport member.
• Bego Amaya and Elaina Blair are two close pals of Sanchez’s who helped celebrate her 55th birthday in Vegas last year.
• Elsa Collins, 44, is one of Sanchez’s closest friends, often by her side during her escapades across the globe.
• Elon Musk. Friends for decades, Musk and Bezos have supported each other during the space race and vacationed together several times. 
• Leonardo DiCaprio. A staple at nearly every celebrity function, DiCaprio has cultivated a relationship with Bezos and is often invited on the Koru.
• Brooks Nader. The Sports Illustrated model has grown close with Bezos and Sanchez over the past two years and will likely receive an invite to the wedding.

Jamie Sherrill, aka “Nurse Jamie,” could also be invited. Sanchez relies on Sherrill for her injections and advice — and who wouldn’t want some emergency Botox before their wedding?

And Andy Jassy is also a maybe. He now runs Amazon, so Bezos can focus on Blue Origin and traveling the world with Sanchez.

Who’s out for the Jeff Bezos and Lauren Sanchez wedding?

While the above are the likely lucky invitees, there are definitely some people who will likely NOT be invited, including: 

• Mackenzie Scott. Bezos’ ex-wife was said to be blindsided by his affair with Sanchez. While the couple quickly divorced, Scott — who is much more private than her ex — has not remained close with Bezos.
• Patrick Whitesell. The WME uber-agent was shocked when Sanchez first ditched him for his Seattle neighbor Bezos, but he has since remarried. While the two are friendly and co-parent Evan and Ella, it may be awkward if he attended.
• Michael Sanchez. The talent agent and brother of Sanchez is the one who, according to the New York Post, let the Bezos-Sanchez affair slip to the tabloids and allegedly sold racy pictures of Bezos to the National Enquirer for $200,000. (Editor’s note: in a letter to NewsNation, Michael Sanchez has denied being the original source of the Enquirer story and denies ever selling any photos.) Bezos and Michael sued each other, and the cases are still ongoing. 

Mark Zuckerberg and Priscilla Chan will also most likely not be invited. The Facebook founder and his doctor wife are friendly — but they’re not friends with Bezos and Sanchez.