"The trip to Big Sur, the engagement, the ring, everything.So cute." The actor proposed with a ring that is "just unbelievable," the source added.
Olsen wore a cream-colored collared shirt with a plush sweater around her shoulders and styled her blonde hair in casual waves and parted down the middle.
PHOTOS: Mary-Kate and Ashley and other celebs who have a twin Her director beau, 47, opted for a pair of blue jeans and a comfy heathered blue T-shirt with black trim and a five-point star applique. "They were introduced and have started dating," a source told Us Weekly exclusively in February.
The newlyweds celebrated with famous pals Reese Witherspoon and her husband Jim Toth.
"Justin wore a dark colored suit and burgundy socks. He was holding her bouquet for her and walked with his arm around her after the vows.
“Lydia broke up with him in August 2007, and at the In Style party during the Oscars in February 2008, Justin went up to her and yelled at her in front of everyone,” said an insider who witnessed the incident.