Duff is a strong animal rights supporter and commented when asked what she would do if she was not a celebrity, "I always wanted to be a veterinarian when I was younger, but then I figured out that animals actually die there, so that was not the job for me.
Kot mladinska ambasadorka bo pet dni preživela z otroci v državi in se trudila zbrati denar za hrano pomoči potrebnim otrok.