Show Biz Buzz 8/23: Miley Tweets; Dave Chapelle Does Well; & Larry King

Miley wants to end speculation...Was she cheating before her split with her husband? She tweets and tweets some more about it. Dave Chapelle has a block party for the residents of Dayton, Ohio, where he grew up, and the scene of a mass shooting earlier this month; and Larry King's friends and family are glad he's below to see my Show Biz Buzz!