According to People, the couple tied the knot in a more of an intimate ceremony in Montecito, California on Saturday.
"You can tell today is the happiest day for Katherine. She hasn't stopped smiling. And Chris seems giddy with excitement," a source told People.
"The venue is beautiful. Lots of flowers and greenery everywhere. It's a very romantic setting for a wedding," the source added.
"The whole family took wedding photos, including her parents Maria [Shriver] and Arnold [Schwarzenegger]. Everyone just looked so happy."
The couple also had a bridal shower at Schwarzenegger's mother Maria Shriver's home in April which also kept an intimate affair.
"Katherine was glowing the whole afternoon and having the best time celebrating with her friends and family," a source told People.
The duo announced their engagement in January through an Instagram post with the Pratt captioning the post, "Sweet Katherine, so happy you said yes! I'm thrilled to be marrying you. Proud to live boldly in faith with you.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)