After attending University of PEI for a year as a vocal major she dropped out and in 2009 she moved to Toronto to pursue a career in country music and modelling.

After ten years of developing her music, she released her debut album, The Basement Sessions. She recorded the songs in the basement of her home with her husband. Her husband John Landgraf is a NBC producer and they married June 14, 1997. They have 3 sons, Walker, Will and Cal.

To date she released 11 videos and was nominated for Female Artist of the year at the Canadian Country Music Association Awards in 2024.

Shortly after releasing her debut album, the family moved to Kelowna, BC and from there she released her second album, Growing Up on March 10, 2023. Later that year after releasing the song, The Whiskey's Gone and the song garnered attention on social media, and Walker subsequently moved with her family to Nashville, Tennessee and then released the song, Hung Up.

In March 2024, she signed her first record deal with Records Nashville and released the single, I Like Big Trucks.

Alli has since then, received much attention in the music industry and is seen everywhere. Just recently, she was asked by Shaina Twain to open for her at her upcoming Toronto show.

Alli is on her way to be a major country music star.