"She’s had my back since before I even became an actor," Underwood said of their relationship.
In one journal Ethan wrote, "I will cause the biggest school shooting in Michigan's history. I have fully mentally lost it." He also revealed in court he gave his father the money to purchase the weapon and detailed how he would commit the murders.
The 43-year-old hired an exotic dancer to track his nephew's location before paying another man to kill him.
Williams has won a record 23 Grand Slam titles and is considered by many the greatest tennis player of all time.
The actress' final role was with Ving Rhames in 2005 after a career spanning numerous decades on TV, stage and film.
The track is produced by Jermaine Dupri, Bryan Michael Cox and Nineteen85 and features a sample of JAY-Z's 'Song Cry.'
The Delfonics were responsible for a number of '70s hits including "La-La Means I Love You," and "Didn't I (Blow Your Mind This Time)"