Jake Gyllenhaal and his sister Maggie attended the wedding of their father, film director Stephen Gyllenhaal to Kathleen Kwai Ching Man, on Saturday in Hawaii.
The beach wedding was held on the North Shore of Oahu in front of a small group of family and friends.
Jake and Maggie wore traditional leis and watched as their father exchanged vows at sunset.
It is the second marriage for Stephen Gyllenhaal. He was previously married to screenwriter Naomi Foner for 32 years.