Kelly Clarkson has admitted she is "head over heels" in love with her boyfriend Brandon Blackstock.

The singer, who confirmed her relationship with Brandon Blackstock back in March, has revealed to Ryan Seacrest that she knew from the minute they met they would be together.

The 30-year-old American Idol winner said: "We were just in a room together, and then he came up and said he was from the same hometown as me and I was like, 'Oh, we're so getting married' - I was so that girl.

"When he became single, I was on the prowl."

She also revealed that her romance with the 35-year-old talent manager, helped spark creativity in the singer, who is set to release a greatest hits album in November.

Clarkson said: "Once you finally fall in love with someone and you are so comfortable with them, it makes you more comfortable in your skin. It makes you comfortable as an artist and it makes you more confident.

"I'm completely head over heels for him, he knows that."