WWW.ACEPIXS.COM . . . . . ....May 29 2006, Chicago....Jennifer Aniston and her co star and boyfriend Vince Vaughn attended the Chicago premiere of 'The Break Up' at the Music Box Theatre. Aniston's ex husband Brad Pitt has just anounced the birth of a daughter with girlfriend Angelina Jolie. in Namibia.....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