3 months old!!! Posted on 7.26.12 by melindadh 1 Today..my baby is 3 months old! She’s getting so big! Here are some of the things she can do now: smile… coo.. drool all over the place.. suck on her hands… follow me with her eyes… keep me up at nights… She is just too precious! See her at 1 month & 2 months.