Becca Cason Thrash, the force-of-nature Houston philanthropist, requested “extremely formal attire” for her third Liaisons au Louvre benefit gala Tuesday night in Paris

“My feet are going to pay: It’s pulling me to the ground,” Milla Jovovich said of her glittering Saint Laurent T-shirt gown, paved in dense silvery crystals. She let a reporter hoist a bit of its skirt to prove she wasn’t exaggerating.