Kardashian⁵! #KhloeKardashian shared a new selfie with her sisters #KimKardashian, #KourtneyKardashian, #KendallJenner and #KylieJenner to mark Easter — and it's got us walking down memory lane with this sisterhood through the years. 📷: Instagram; Steve Granitz, Kevin Mazur/Getty; Mark Davis/CBS