dark blue silk prom dress Chic Royal Blue Straps Sweetheart Prom Dress Overskirt Long

Halter high neckline with keyhole front

They remain available at multiple outlets, including Designer Optics ($196) and Baltini ($178). With thanks to Found by Bojana, it looks like Princess Charlotte is wearing a dress by GUESS, the brand's Polka Dot Chiffon Dress (now sold out)

Here's a long glitter prom dress 9969 from Eureka that is as sparkly as it is feminine

Kim Kardashian donned Princess Diana's antique amethyst cross necklace with a low-cut white gown to the 2024 LACMA Art + Film Gala.

Pink spandex leotard has overlay of gold spotlight reflection on both sides of bodice and gold corset style lacing at center.