Celebrity Fashion at the Giorgio Armani One Night Only NYC Event

Olivia Munn was dressed in a black silk halter top with a pair of tiny shorts, and a coat slung over her shoulders. Accessories styled with her look included black peep toe pumps, and a gorgeous hair and make up look consisting of a swept-back bun and a bright coral lip color.

Naomi Watts wore a charcoal grey top with billowy sleeves and with a loose, floor length black skirt. The 'Diana' actress paired her elegant look with a swept back hairdo and gemstone earrings from Monique Péan.

Renee Zellweger opted for a masculine inspired minimalistic look featuring black trousers and a blazer top with a bow accent. Styled with her look were black pumps and a black clutch.

Hilary Swank wore slim fit pants for the occasion and styled it with a glittery, nipped-in blazer. Strappy sandals were accessorized with her look, along with a smokey eye make up and loose waves.