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Jeff Bezos and Lauren Sánchez went out in Cannes, France, to show off her huge engagement ring.

20 carats and $2.5 million are anticipated for the sparkler.

The entertainment reporter, 53, showed the ring while on a dinner date Monday night at La Petite Maison with the billionaire Amazon founder, 59, his sister, Christina Bezos, and her husband, Steve Poore, before returning to Jeff's $500 million yacht.

Jeff Bezos' engagement ring was shown out by Lauren Sanchez. BACKGRID Enlarge ImageEngagement ring on Lauren Sanchez. $2.5 million is the sparkler's value.

BACKGRID Enlarge ImageJeff Bezos, Lauren Sanchez, Steve Poore, and Christina Bezos walking at Cannes.

At the 2023 Cannes Film Festival, the soon-to-be spouses have been partying aboard the businessman's enormous boat, which has a mermaid resembling Sanchez on its prow.

The foursome undoubtedly toasted the engagement, which made headlines just hours previously, with some good bubbly during dinner.

After 25 years of marriage, Jeff and Sanchez were publicly linked in January 2019. Three sons and a daughter are the ex-couple's offspring.