Topher Grace and Ashley Hinshaw are tying the knot!

The 37-year-old That '70s Show star will marry the 27-year-old Chronicle actress in the Santa Barbara area of California on Sunday, May 29, in front of friends and family.

WATCH: Why Topher Grace Wasn't at Ashton Kutcher and Mila Kunis' Wedding

Grace and Hinshaw began dating in early 2014 and got engaged the following January.

Meanwhile, the couple has not let all the wedding planning get in the way of  work!

MORE: ‘That ‘70s Show’ Cast Had a Major Reunion on ‘The Ranch’

Grace's movie, Delirium, opens later this year, while his bride-to-be's new independent film, Me Estas Matando Susana, debuted in limited release in March.

Watch the video below for the biggest celebrity weddings of all time.