Katharine McPhee is Engaged!

American Idol album Katharine McPhee is engaged, according to OK! Now I know who the luckiest guy in the world is his name is Nick Cokas…

The 23-year-old singer and her actor beau, Nick Cokas, 42, are going to tie the knot. Yes, he is 19 years her senior.

“They’re definitely engaged,” said a source on the set of Kat’s upcoming film House Bunny. “They’ve been talking about it for some time.”