WWW.ACEPIXS.COM . . . . . ....July 22 2009, New York City....Actress Jennifer Lopez was on the Central Park set of the new movie 'The Back-up Plan' on July 22 2009 in New York City....Please byline: KRISTIN CALLAHAN - ACEPIXS.COM.. . . . . . ..Ace Pictures, Inc: ..tel: (212) 243 8787 or (646) 769 0430..e-mail: info@acepixs.com..web: http://www.acepixs.com