WATCH: Does Jon Hamm Dye His Hair?

The actor's costar reveals a little too much during a segment on "Anderson"

Source: http://feedproxy.google.com/~r/people/stylewatch/offtherack/~3/p7vs5rvCpk4/

Gretha Cavazzoni Gwen Stefani Halle Berry Hayden Panettiere Haylie Duff Heidi Klum Heidi Montag Hilarie Burton