Celebrity Moms' Instagram Pictures Week of Jan. 21, 2013

There was a lot of snuggling going on in Tinseltown this week — we're not sure if it was due to the frigid temperatures on the East Coast or not, but it was awfully cute. From Mariah Carey's pint-size American Idol judges to Alicia Keys's inauguration partner and Tiffani Thiessen's birthday helper, check out the best pictures celeb parents took and shared on Twitter and Instagram this week!