YES
NO
Source: http://justjared.buzznet.com/2007/07/17/julianne-moore-blonde-hair/
Source: http://forum.phun.org/showthread.php?t=169601
Source: http://forums.superiorpics.com/ubbthreads/showflat.php/Cat/0/Number/1315404/an/0/page/2#1315404
Source: http://forums.superiorpics.com/ubbthreads/showflat.php/Cat/0/Number/1312809/an/0/page/0#1312809
Source: http://www.gossiprocks.com/forum/latest-photos/43830-julianne-moore-son-cal-sighted-set-revolutionary-road-05-30-07-a.html
Source: http://www.gossiprocks.com/forum/latest-photos/42059-julianne-moore-her-daughter-liv-shopping-new-york-city-05-04-07-a.html