Plot hole: When the necklace is pulled out of the water (closed) and placed back onto Daphne's neck, they couldn't have used the magnet because the replica didn't have that feature, so the security guards should've noticed the fake right away. To put it back on her neck and to take it off again to go back to Cartier would have required the magnet, which would not work on the replica. (01:18:25 - 01:19:19)
Ocean's Eight (2018)
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Directed by: Gary Ross
Starring: Matt Damon, Cate Blanchett, Dakota Fanning, Olivia Munn
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Debbie Ocean: I couldn't even hear myself think. You know, five women in one cell. So I got myself thrown in solitary for a little peace and quiet, and that's where I finally came up with it.
Trivia: Sandra Bullock speaks German at the Met Gala - she's actually fluent in German, having lived in Germany and Austria for the first 12 years of her life. She gave an award speech in German once: https://www.youtube.com/watch?v=6BK1GlyGdm4.