Exclusive Details

TV legend Ann B. Davis who played Alice on "The Brady Bunch" has died ... TMZ has learned.

According to the couple she lived with in Texas ... Ann fell in her bathroom early this morning and hit her head causing grave damage. We're told she never regained consciousness.

Her roommate says Davis had been pretty healthy for an 88-year old woman -- and her death was a total shock. In fact, she even walked downstairs to say goodnight before going to bed.

Davis played the housekeeper Alice Nelson for the entire original run of "The Brady Bunch" from 1969 to 1974. She also filled the role for countless other TV movies and reunions. She last played Alice for 5 episodes of "The Bradys" in 1990.