Katharine McPhee by Michael Bezjian/WireImage.com and Lily Allen by Eamonn McCormack/WireImage.com
Season 5 runner-up
, 23, on Saturday married 42-year-old actor Nick Cokas, her boyfriend of more than a year, in front of 300 guests at the Beverly Hills Presbyterian Church.
has split from her boyfriend, the Chemical Brothers' Ed Simons,
reports - this just two weeks after the songstress suffered a miscarriage of the couple's child.