From PEOPLE Magazine Click to enlarge
Ashlee Simpson can fret less about comparisons to older sister Jessica: Lately she's bringing to mind a whole other batch of blondes. Sources tell PEOPLE Simpson had a nose job in April—and now she's a spot-on match for much of young Hollywood. Don't believe it? See if you can tell which celebs aren't Ashlee.
(Answers are listed below.)

WHO IS ... SIENNA MILLER [A or B]

WHO IS ... NICKY HILTON [A or B]

WHO IS ... HILARY DUFF [A or B]

WHO IS ... BRITNEY SPEARS [A or B]

WHO IS ... SARAH MICHELLE GELLAR [A or B]

SIENNA—B; NICKY—B; HILARY—A; BRITNEY—A; SARAH MICHELLE—B

For more of this Ashlee lookalike quiz—and an Ashlee vs. Jessica style comparison—see www.people.com/ashlee.