In an idyllic outdoor setting, the model/actress/jewelry designer, 38, wore a flowing white Marchesa wedding gown and carried a peach-colored bouquet of flowers on her special day.
"Molly wanted her the wedding be simple but elegant; she wanted it to be magical," says Stefanie Cove of Yifat Oren and Associates, who planned the event.
The groom, 42, wore a black Tom Ford tuxedo and white tie, and the bridesmaids donned Elizabeth Kennedy dresses.
Stuber, who has produced such films as Love and Other Drugs and Role Models, popped the question to Sims in May.
Gia Canali Photography
–Liz Raftery and Blaine Zuckerman
For more photos and details from the big day, pick up this week’s issue of PEOPLE, on newsstands Friday