The 26-year-old actress and singer says she went from golden blonde to platinum in a five-hour, hundred-plus foil hair-dyeing marathon.
Duff and hair colorist Casey Miller sustained themselves with sugary cereals and Jet-Puffed Marshmallows throughout the process.
The super-blonde actress is a newly-single mom to son Luca Cruz Comrie. Duff and husband Mike Comrie separated after three-and-a-half years of marriage in January.
2014: The Year in Music [PHOTOS]