The actress seriously wowed in her forest-green sequined Elie Saab gown as she picked up her Best Performance by a Featured Actress in a Play gong for her role in A View From A Bridge.
Naomi Watts gave her a run for her money in the fashion race with a stunning nude RM by Roland Mouret number.
Catherin Zeta Jones also looked fabulous in ice-blue Versace and, like Scarlett, also picked up an award. She won Best Performance by a Leading Actress in a Musical for A Little Night Music.
Other stars who wowed on the red carpet included Jada Pinkett Smith, Glee star Lea Michele in vivid yellow Zac Posen, and Brit star Helen Mirren.
SEE ALL THE PICS HERE
By Ruth Doherty