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

BRIDE-TO-BE

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.