updated 06/26/2010 AT 9:00 AM ET
•originally published 06/26/2010 AT 3:25 PM ET
It was a day to remember for actress Mena Suvari and concert producer Simone Sestito, who married Saturday in a private church in Vatican City.
“The ceremony was truly unique and Mena looked breathtaking,” a guest tells PEOPLE. “They are very much in love.”
The two, who have been engaged since 2008, planned a private reception following their ceremony.
Suvari, 31, and Sestito, 25, met at the Toronto Film Festival in 2007. The couple chose Rome as their wedding locale because most of Sestito’s family lives near the city.