Kim Kardashian wore big sister Kourtney's hand-me-down Wonder Woman costume in an adorable retro childhood snap posted on Halloween.
The half-Armenian socialites, now 35 and 36, and their families frequently spend time together and share several businesses including their E! series.
And in a 1982 home movie pregnant Kim shared, she's wearing a pumpkin costume while Kourtney is wearing the same Wonder Woman costume