According to hilary-duff.net, Hilary Duff and her sister Haylie will make appearances on the popular television show Joan of Arcadia.
Hilary Duff will appear on the February 4th segment of Arcadia as a popular girl whose life is saved by Joan (Amber Tamblyn). Haylie will appear in three episodes, on February 11, 18 and 25, as a student who befriends Joan and her pals.