In the first post, T.O.P uploaded a black and white photo of his sister, holding baby T.O.P with a caption, "with my sister." You can see the striking similarity between his sister and T.O.P! 

with my sister

A photo posted by T.O.P (@choi_seung_hyun_tttop) on Nov 4, 2016 at 3:41am PDT

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In the second photo, young T.O.P is wearing hanbok (Korean traditional clothing), running toward his mom. In the second cut, baby T.O.P is giving his mom a kiss on the cheek. The singer wrote, "I love you, mom" as a caption. Such a good son! 

I love you , mom

A photo posted by T.O.P (@choi_seung_hyun_tttop) on Nov 4, 2016 at 3:48am PDT