She has learned how to go from being on her tummy to sitting! Both yesterday and today I came into her room after nap time to find her sitting and just now I saw it happen first hand. Brava Liliana! She also holds both her hands over head when we say "so big!". She also started mimicking the tone when she does it. It is like she is humming "so big". I am no longer worried at all. Changes coming fast and furious!!