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It's Throwback Thursday!
Kim Kardashian posted an absolutely adorable snap of her with sister Kourtney Kardashian in bathing suits as toddlers.
The expectant mother captioned the pic on Instagram with, "#throwbackthursday me & @kourtneykardash fun in the sun! #bikinibabe"
Little Kim looked positively precious in a silver two-piece while holding hands with her older sister.
Kourtney made a funny face while posing in her blue-and-white striped one-piece swimsuit.
What a flashback!
A new season of Keeping Up With the Kardashians premieres June 2 at 9e/6p, only on E!