Gwyneth Paltrow and Chris Martin came together to celebrate their 20-year-old daughter Apple Martin’s society debut at the Le Bal des Débutantes in Paris on Saturday, Nov. 30.

Apple turned to Alessandro Michele, now creative director at Valentino, for a gown worthy of her high society debut.

Apple Martin donned a pristine blue gown, which took Valentino creative director Alessandro Michele’s atelier 750 hours to ...