[2] Born Alana Kaye Collins in San Diego, she grew up in Nacogdoches, Texas, and Houston,[3] before heading to New York to become a model.

[1][2] Collins signed with Ford Models and traveled to Los Angeles for many television and commercial appearances.

[2] Her first role was a bit part in the biographical film Evel Knievel, which starred her then-husband, George Hamilton.

[8] In 2014, Stewart, who is a Republican, endorsed her friend, Independent candidate Marianne Williamson, for U.S. Congress in California's 33rd district.

[12] Stewart was a signatory of the bipartisan letter calling for Walmart to allow sales of the DVD and Blu-ray discs of the 2019 political documentary No Safe Spaces.

[1] In 2012, she published a book titled Rearview Mirror: A Memoir, detailing her upbringing, her early career as a model, her marriages and subsequent divorces, and the deaths of her mother and Fawcett.