Pauline Phillips, best known as the beloved advice columnist “Dear Abby,” died on Wednesday at age 94. TMZ reports that Pauline was suffering from Alzheimer’s disease, but no cause of death was given.Phillips’ daughter Jeanne, who took over the column, told the site, "I have lost my mother, my mentor and my best friend. My mother leaves very big high heels to fill with a legacy of compassion, commitment and positive social change. I will honor her memory every day by continuing this legacy."Pauline founded the syndicated "Dear Abby" column in 1956 under the penname Abigail Van Buren. Her twin sister, Eppie Lederer, had a similar advice series called “Ask Ann Landers.” Eppie died in 2002 after battling bone cancer.