WWW.ACEPIXS.COM . . . . . ....March 15 2010, New York City....Actress Jennifer Aniston made an appearance at 'The Late Show with David Letterman' on March 15 2010 in New York City....Please byline: KRISTIN CALLAHAN - ACEPIXS.COM.. . . . . . ..Ace Pictures, Inc: ..(212) 243-8787 or (646) 679 0430..e-mail: picturedesk@acepixs.com..web: http://www.acepixs.com