WWW.ACEPIXS.COM . . . . . ....NEW YORK, MAY 18, 2006....Britney Spears and her son Sean Preston leaving from their midtown hotel.....Please byline: NANCY RIVERA- ACEPIXS.COM.... *** ***..Ace Pictures, Inc: ..Craig Ashby (212) 243-8787..e-mail: picturedesk@acepixs.com..web: http://www.acepixs.com