Francois-Henri inherited the luxury firm Kering founded by his late father Francois Pinault, 84, who handed over his companies to his son 17 years ago.
A day before she posted her busty beach snaps Salma posted a heartwarming snap of herself in the kitchen with her stepmother-in-law Maryvonne.
'Dinner at my mother-in-law, it is always a sublime experience !' she dished in English, then in Louise's native French and then in Spanish.
Dashing: She hunkered down amid the ongoing coronavirus pandemic with her French billionaire husband Francois-Henri Pinault
Salma is part of the top-flight cast of the upcoming Marvel movie The Eternals, which wrapped shooting before the coronavirus lockdowns.