Get 4 FREE Issues of PEOPLE
From his adorable pout to his signature hats, see how Sandra Bullock's little guy has grown cuter by the year
Updated: Tuesday Jan 17, 2012 | 07:00 PM EST
By: Jenisha Watts
More from PEOPLE
See More News
3 of 10
Bullock and her favorite carry-on – Louis in a natty newsboy cap – head out of LAX in September 2011.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL