Miller was born in New York City, the daughter of model Bonnie Trompeter. Miller was a model as a child, appearing in a Wonder Bread commercial when she was six months old, posing at three for Francesco Scavullo in an Ivory soap advertisement, and photographed for the cover of Redbook. Her days as a child model were curtailed after an operation for a benign bone tumor. After attending Convent of the Sacred Heart, she returned briefly to modeling, but soon took acting lessons and gave up modeling when she moved to Los Angeles, California, in 1990. She was in the first edition of Maxim. christamiller.info