Fore! They might not be pro golfers, but Justin Timberlake and Ellen DeGeneres sure looked the part when they practiced their swings in Las Vegas on Wednesday. Don't miss next Monday's "Entertainment Tonight" as our Jann Carl goes one-on-one with Justin in an exclusive interview at his championship charity event, Shriners Hospitals for Children Open.

Justin's charitable golf event finds numerous stars from the PGA competing in a tourney. The event runs through Oct. 19, and all proceeds from ticket sales benefit Shriners Hospitals for Children. Golf pros vying for the big win include John Daly, Brett Quigley, Bob Estes and Mark Hensby.

Shriners Hospitals for Children is an international health care system of 22 hospitals dedicated to improving the lives of children by providing pediatric specialty care, innovative medical research and teaching programs. Children up to the age of 18 with orthopedic conditions, burns, spinal cord injuries, and cleft lip and palate conditions are eligible for care and receive all services at no charge -- regardless of financial need.