Just last month, Bullock -- star of "The Blind Side" -- and her husband Jesse James were awarded full custody of Sunny after a nasty dispute with Jesse's ex, Janine Lindemulder.
Last year, Sandra had fired off a letter to the judge saying, "I know the term 'stepmother' carries many connotations, one of them being a 'glorified babysitter' ... My commitment and responsibility to Sunny ... goes beyond that."
It appears Bullock doesn't just talk the talk ...