A key forward with a booming kick and strong mark, Biddell finished second in the SANFLW goalkicking for 2019 despite being limited to eight games through injury. She also had a strong year in 2018, being named in the SANFLW Team of the Year. Biddell was selected by the Crows at the 2019 AFLW Draft and played all six games in her debut season, kicking three goals.