Katharine McPhee is teasing a brand new song written by none other than her husband David Foster!

On Friday, McPhee, 35, shared an impressive clip of herself belting out the tune while on an elliptical machine.

“Listen to meeee gee wiiiizzzz,” McPhee captioned the clip. “I’m singing a new little secret song that David wrote for something special during my vocal exercises with @amychapman — Don’t Judge me! 😬🙏🏼”