The Hollywood star passed away on August 5 at Providence Saint Joseph Medical Center in Burbank, California, a representative for her husband, producer Darrell Fetty, confirmed to The Hollywood Reporter.
After appearing on Cover Girl, Ingalls went on to become a top fashion star, featuring in publications such as Vogue, Mademoiselle, Cosmo and Life.
She became the face of popular brands in the 1970s, including Clairol hair products and Black Velvet whiskey, and later ventured into acting.
She went on to star in films such as "The Man Who Would Not Die", "Deadly Force" and "Lethal Weapon 4".
Ingalls wed Emmy-nominated producer Darrell Fetty in 1984 at the Little Brown Church in Studio City, California, where they oversaw a ministry for the homeless for more than two decades.