Reports say the "Idol" runner-up is set to wed her actor boyfriend.

According to People.com, KATHARINE McPHEE is engaged to boyfriend NICK COKAS.

The "Idol" runner-up, 23, and her actor boyfriend, 42, have been dating over a year.

A source tells the magazine, "Katharine is bubbling over with excitement for her upcoming wedding. She is all smiles when she talks about the planning. It sounds like everything is going very smoothly."