WWW.ACEPIXS.COM....April 24 2013, New York City....Actress Selena Gomez made an appearance on the Late Show with David Letterman on April 24 2013 in New York City........By Line: Nancy Rivera/ACE Pictures......ACE Pictures, Inc...tel: 646 769 0430..Email: info@acepixs.com..www.acepixs.com