TMZ Live 9/21/12: "The Lone Ranger" Tragedy What Went Wrong?

The death of a scuba diver on the set of "The Lone Ranger" -- we broke the story, and now we're uncovering new details about the tragedy ... which is the latest in a string of setbacks during filming of Johnny Depp and Armie Hammer's new movie. Plus, Adrienne Maloof's divorce takes another nasty turn -- and her 'Real Housewives' co-stars are choosing sides. Taylor Armstrong calls in to reveal what she's seen going on between Adrienne, Dr. Paul Nassif ... and their kids. Also, no one's cutting Jessica Simpson a break after she's brave enough to put on some Daisy Dukes! What's a girl gotta do?

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