Get 4 FREE Issues of PEOPLE
Stars and Their Pets: Chelsea's Little LiftKane picks up a puppy partner. Plus: Prince William saddles up in Chester, England and more
Updated: Friday Jun 03, 2011 | 06:00 AM EDT
More from PEOPLE
See More News
7 of 16
While climbing the Hollywood Hills Saturday, the Mad Men star hides her growing baby bump behind her favorite furball.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL