Looking stunning, Kate Mara and Allison Williams were in attendance at the Unicef Snowflake Ball held at Cipriani on Tuesday (November 27) in New York City.
The ‘American Horror Story‘ actress looked radiant in a Jason Wu Resort 2013 dress while the ‘Girls‘ star wore a gorgeous aqua Naeem Khan Spring 2013 gown with silver appliqués.
Katy Perry and Selena Gomez were also at the event!
Whose look do you like more, Kate or Allison? Sound off in comments below!
Photo Credit: Bryan Bedder/Getty Images