The couple, who began dating in early 2014 and were engaged the following January, tied the knot on Sunday. Family and friends joined them at a ceremony in the Santa Barbara area of California.
Neil Lane designed 8-carat leaf earrings worn by Hinshaw for her big day.
"I designed these highly articulated platinum 'leaf earrings' set with almost 10 carats of diamonds to shimmer in the wind," Lane tells WHO.
No word whether Grace's That '70s Show costars Ashton Kutcher and Mila Kunis were in attendance. Grace had to miss their July 2015 nuptials due to work commitments.
Hinshaw, 27, who appeared in the second season of HBO's True Detective, has just completed work on the independent film Me Estás Matando Susana.
Grace, 37, has three new film projects set for release this year: horror thriller Delirium (alongside Patricia Clarkson), musical comedy Opening Night (alongside Taye Diggs), and dramedy War Machine (alongside Brad Pitt).