Naomi Watts and Liev Schreiber’s youngest child, Kai Schreiber, made her parents proud when she made her runway debut for Valentino ... lace tights with white open-toe heels.

For this year's fashion event, Rihanna, 35, wore an all-white Valentino ensemble covering most of her body — and her head! The bottom half of the dress billowed out in a gorgeous A-line ...