Hart leaving 'Entertainment Tonight' next year

Mary Hart arrives at The Weinstein Company 2010 Golden Globes After Party held at The Beverly Hilton Hotel on Sunday Jan.17, 2010, in Beverly Hills, Calif. (AP Photo/Katy Winn)

August 5, 2010 8:42:36 AM PDT
Longtime "Entertainment Tonight" host Mary Hart is leaving the show after her upcoming 30th season.