Applegate is a fan favorite outside The Late Show with David Letterman studio in New York City. Plus: Harrison & Calista, Nicole & Joel, Mary-Kate Olsen and more
Published: Tuesday Mar 24, 2009 | 05:15 PM EDT
More from PEOPLE
See More News
11 of 16
The secret is out but a newly engaged Calista Flockhart, who was surprised with a proposal by boyfriend Harrison Ford, keeps her engagement ring under wraps while out with son Liam, 8, (not pictured) in Los Angeles on Monday.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL