The 21-year-old actress wore a gorgeous Temperley London gown with Casadei heels. Sarah completed her look with diamond and platinum earrings, a diamond and platinum bracelet and cocktail ring all from Neil Lane.
During the award show, Modern Family took home the Outstanding Performance by an Ensemble in a Comedy Series award for the second year in a row.
The show beat out Glee, Big Bang Theory, The Office and 30 Rock.
10+ pics inside…