Celebrity Moms' Instagram Pictures Week of Jan. 14, 2013

Celeb moms and dads put their smartphones to work this week, getting them out in time to snap some cute pics of their lil ones playing at home and on the road. From Jessica Alba's office visitors and Mariah Carey's American Idol viewing buddy to Nicole Richie's lil snuggler and Rachel Zoe's cribmate, take a look at photos Hollywood parents shared via Instagram, Twitter, and their Facebook pages this week.