By Heather Viggiani
Updated Jul 19, 2010 @ 12:55 pm
Credit: O'Neill/White/INFphoto

While The Kennedys, a miniseries on The History Channel starring Katie Holmes, won't debut until next year, on-set photos of the actress playing the former first lady are surfacing now. Holmesperfectly channels Jackie O's mod yet ladylike look in vintage ensembles paired with a single strand of pearls and the late style icon's perfect '60s coif. See more photos of Holmes on set in the gallery below.