Alice is a very short and graceful girl with short, black, nastroszonymi hair. Her ability is seeing the future, but it also has limitations, because Alice does not see the future of werewolves and hybrids, such as Renesmee. Her view also tend to be irrelevant, because that is what Alice sees depends on the decisions taken by the people, and they are changing. In the book Breaking Dawn comes to the conclusion that he sees the future of the Vampire is one of them sees the future of people because once I was human, but can not see the future of werewolves and hybrids, because none of them is not.
Alice is described as a very optimistic, kind and who likes to take care of Bella as a sister. She likes to shop and arrange the adoption.
Alice does not remember anything from her human life. However, we learn that she was born around 1901 in Biloxi, Mississippi, and was detained in a psychiatric hospital because she had visions of the future. Alice was amended in 1920 by an old vampire who worked in a psychiatric hospital. This was to protect her from James, a vampire - hunter, who hunted it. After a long search for Alice found her grave and discovered that the date on her tombstone coincides with the date of its store to a psychiatric hospital. Also discovered that she had a younger sister, Cynthia, and that Cynthia's daughter, who is the niece of Alice, still lives in Biloxi.
With his family saw the Cullens' abilities and anticipated meeting with Jasper. When she found him she told him about the vision of the Cullens, and together they decided to join them. According to Edward if not for her visions, Alice would end as a wild beast.