Reality TV
Clark Samuels/Rex Features
A representative of the singer confirmed that the wedding took place in Beverly Hills on Saturday.
McPhee, 23, told People magazine: "[Nick] is the love of my life. This is a once in a lifetime occasion and everything is just perfect."
She met Corkas, 42, in 2005 and they got engaged last year.
The singer's fellow American Idol contestants Kellie Pickler and Mandisa were among the guests at the ceremony.
McPhee, who lost out to Taylor Hicks in the final of the 2006 reality TV show, reached number two in the US album charts with her debut LP in 2007.
Related Stories
Tube Talk
Fresh Prince of Bel-Air - Tube Talk GoldNow this is a story all about how Will's life got flipped, turned upside down...
TV Interviews
'Apprentice' Adam blasts 'superfan' JadeThe latest fired candidate also reveals that he was behind Azhar's tiny shorts.
TV Ratings
'Long Lost Family' finish seen by 4.5mLong Lost Family bows out with a solid 4.5m for ITV1 in the 9pm hour.
TV Recaps
'Homeland' finale: Have your sayHomeland's incredible finale is reviewed by Digital Spy. Share your verdict.
