Susan B. Stewart portrayed by Brooke Shields (season 2 -- 3) was Robby 's wife and Miley and Jackson 's mother. Susan is the daughter of Grandma Ruby. She died three years prior to season one, but is often mentioned by the Stewarts and appears in household pictures. She also appears in person in three episodes by way of old home videos and various dream sequences. These are "I Am Hannah, Hear Me Croak '', "The Way We Almost Were n't '', and "He Could Be the One ''.
who played miley's mom on hannah montana
Brooke Shields