Well Skyes like 16 months now and seems to be getting cuter by the day..she has mastered walking but still looks like shes waddling (but really quickly) and is trying to babble on constantly. Along with finally developing a love of cuddles and such (as a baby she wouldnt let us pick her up
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They tend to start getting a bit bratty between 2 and 2 1/2 so somewhere between 1ish and 2 1/2 I would say for peak cuteness.