The 33-year-old actress stepped out at the event on Monday night (April 15) at The Edison Ballroom in New York City.
During the event, Amanda was honored alongside Emily Warren and Bonnie Comley.
Thomas took to his Instagram to share a photo of the group posing together on the red carpet.
“Tonight’s honorees at the @wptheater Women of Achievement awards. #ProudHubby,” Thomas captioned the photo.