“It was beautiful, it was really beautiful and sweet and small,” Kutcher’s Two and a Half Men costar told Extra on Wednesday.
While a source tells PEOPLE the couple were already legally married before the party, they celebrated with family and friends at Secret Garden at Parrish Ranch in Oak Glen, California.
The secluded spot – playfully dubbed “Camp Kuku” by the former That ’70s Show costars – features acres of apple orchards, ponds and botanical gardens.
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“They didn’t decide to make it into a big production,” Cryer said. “It was just beautiful and sincere.”
The couple’s 9-month-old daughter, Wyatt, was also in attendance, and “was just incredibly well behaved, incredibly,” Cryer added.
“Give that girl a show, ’cause she’s just gorgeous,” the actor joked. “And just charming everybody.”
Cryer summed up the intimate affair as “a great day for everybody and really lovely.”