Yellowstone star Josh Lucas is a happily married man after tying the knot with fiancée Brianna Ruffalo inside Vatican City. "Mr. and Mrs.," Ruffalo, 34, wrote via Instagram on Friday, July 18. "Incredibly blessed to receive this sacrament together inside the heart of the Catholic Church and Holy City." Lucas, 54, replied to her post, writing, "I love you! Easily one of the greatest days of my life. I am so so grateful." Lucas and Ruffalo exchanged vows in an intimate ceremony in the papal city in Italy.