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Reality TV turned heartbreaking when "Real Housewives of Beverly Hills" husband Russell Armstrong was found dead on Monday in an apparent suicide. The venture capitalist and his marriage struggles with wife Taylor were a regular part of the show. She had recently filed for divorce, and the couple was facing a $1.5-million breach of contract suit -- all added stress for a couple in the spotlight. But they aren't the first troubled reality TV stars and probably not the last.